Add m-esr52 at 52.6.0

26 files changed, 4494 insertions, 0 deletions

diff --git a/toolkit/components/prompts/content/commonDialog.css b/toolkit/components/prompts/content/commonDialog.css
new file mode 100644
index 0000000000..89f88db7aa
--- /dev/null
+++ b/toolkit/components/prompts/content/commonDialog.css
@@ -0,0 +1,22 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */
+
+#infoContainer {
+  max-width: 45em;
+}
+
+#info\.body {
+  -moz-user-focus: normal;
+  -moz-user-select: text;
+  cursor: text !important;
+  white-space: pre-wrap;
+  unicode-bidi: plaintext;
+}
+
+#loginLabel, #password1Label {
+  text-align: right;
+}
+
diff --git a/toolkit/components/prompts/content/commonDialog.js b/toolkit/components/prompts/content/commonDialog.js
new file mode 100644
index 0000000000..ef46866542
--- /dev/null
+++ b/toolkit/components/prompts/content/commonDialog.js
@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var Ci = Components.interfaces;
+var Cr = Components.results;
+var Cc = Components.classes;
+var Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/CommonDialog.jsm");
+
+var propBag, args, Dialog;
+
+function commonDialogOnLoad() {
+    propBag = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2)
+                                 .QueryInterface(Ci.nsIWritablePropertyBag);
+    // Convert to a JS object
+    args = {};
+    let propEnum = propBag.enumerator;
+    while (propEnum.hasMoreElements()) {
+        let prop = propEnum.getNext().QueryInterface(Ci.nsIProperty);
+        args[prop.name] = prop.value;
+    }
+
+    let dialog = document.documentElement;
+
+    let ui = {
+        prompt             : window,
+        loginContainer     : document.getElementById("loginContainer"),
+        loginTextbox       : document.getElementById("loginTextbox"),
+        loginLabel         : document.getElementById("loginLabel"),
+        password1Container : document.getElementById("password1Container"),
+        password1Textbox   : document.getElementById("password1Textbox"),
+        password1Label     : document.getElementById("password1Label"),
+        infoBody           : document.getElementById("info.body"),
+        infoTitle          : document.getElementById("info.title"),
+        infoIcon           : document.getElementById("info.icon"),
+        checkbox           : document.getElementById("checkbox"),
+        checkboxContainer  : document.getElementById("checkboxContainer"),
+        button3            : dialog.getButton("extra2"),
+        button2            : dialog.getButton("extra1"),
+        button1            : dialog.getButton("cancel"),
+        button0            : dialog.getButton("accept"),
+        focusTarget        : window,
+    };
+
+    // limit the dialog to the screen width
+    document.getElementById("filler").maxWidth = screen.availWidth;
+
+    Dialog = new CommonDialog(args, ui);
+    Dialog.onLoad(dialog);
+    // resize the window to the content
+    window.sizeToContent();
+    window.getAttention();
+}
+
+function commonDialogOnUnload() {
+    // Convert args back into property bag
+    for (let propName in args)
+        propBag.setProperty(propName, args[propName]);
+}
diff --git a/toolkit/components/prompts/content/commonDialog.xul b/toolkit/components/prompts/content/commonDialog.xul
new file mode 100644
index 0000000000..990b26586b
--- /dev/null
+++ b/toolkit/components/prompts/content/commonDialog.xul
@@ -0,0 +1,97 @@
+<?xml version="1.0"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+<?xml-stylesheet href="chrome://global/content/commonDialog.css" type="text/css"?>
+<?xml-stylesheet href="chrome://global/skin/commonDialog.css" type="text/css"?>
+
+<!DOCTYPE dialog SYSTEM "chrome://global/locale/commonDialog.dtd">
+
+<dialog id="commonDialog"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        aria-describedby="info.body"
+        onunload="commonDialogOnUnload();"
+        ondialogaccept="Dialog.onButton0(); return true;"
+        ondialogcancel="Dialog.onButton1(); return true;"
+        ondialogextra1="Dialog.onButton2(); window.close();"
+        ondialogextra2="Dialog.onButton3(); window.close();"
+        buttonpack="center">
+
+  <script type="application/javascript" src="chrome://global/content/commonDialog.js"/>
+  <script type="application/javascript" src="chrome://global/content/globalOverlay.js"/>
+  <script type="application/javascript">
+    document.addEventListener("DOMContentLoaded", function() {
+      commonDialogOnLoad();
+    });
+  </script>
+
+  <commandset id="selectEditMenuItems">
+    <command id="cmd_copy" oncommand="goDoCommand('cmd_copy')" disabled="true"/>
+    <command id="cmd_selectAll" oncommand="goDoCommand('cmd_selectAll')"/>
+  </commandset>
+
+  <popupset id="contentAreaContextSet">
+    <menupopup id="contentAreaContextMenu"
+               onpopupshowing="goUpdateCommand('cmd_copy')">
+      <menuitem id="context-copy"
+                label="&copyCmd.label;"
+                accesskey="&copyCmd.accesskey;"
+                command="cmd_copy"
+                disabled="true"/>
+      <menuitem id="context-selectall"
+                label="&selectAllCmd.label;"
+                accesskey="&selectAllCmd.accesskey;"
+                command="cmd_selectAll"/>
+    </menupopup>
+  </popupset>
+
+  <hbox id="filler" style="min-width: 0%;">
+    <spacer style="width: 29em;"/>
+  </hbox>
+
+  <grid>
+    <columns>
+      <column/>
+      <column flex="1"/>
+    </columns>
+
+    <rows>
+      <row>
+        <hbox id="iconContainer" align="start">
+          <image id="info.icon" class="spaced"/>
+        </hbox>
+        <vbox id="infoContainer"
+#ifndef XP_MACOSX
+              pack="center"
+#endif
+        >
+          <!-- Only shown on OS X, since it has no dialog title -->
+          <description id="info.title"
+#ifndef XP_MACOSX
+            hidden="true"
+#else
+            style="margin-bottom: 1em"
+#endif
+          />
+          <description id="info.body" context="contentAreaContextMenu" noinitialfocus="true"/>
+        </vbox>
+      </row>
+      <row id="loginContainer" hidden="true" align="center">
+        <label id="loginLabel" value="&editfield0.label;" control="loginTextbox"/>
+        <textbox id="loginTextbox"/>
+      </row>
+      <row id ="password1Container" hidden="true" align="center">
+        <label id="password1Label" value="&editfield1.label;" control="password1Textbox"/>
+        <textbox type="password" id="password1Textbox"/>
+      </row>
+      <row id="checkboxContainer" hidden="true">
+        <spacer/>
+        <checkbox id="checkbox" oncommand="Dialog.onCheckbox()"/>
+      </row>
+    </rows>
+  </grid>
+
+</dialog>
diff --git a/toolkit/components/prompts/content/selectDialog.js b/toolkit/components/prompts/content/selectDialog.js
new file mode 100644
index 0000000000..7628dc8d96
--- /dev/null
+++ b/toolkit/components/prompts/content/selectDialog.js
@@ -0,0 +1,67 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var Ci = Components.interfaces;
+var Cr = Components.results;
+var Cc = Components.classes;
+var Cu = Components.utils;
+
+var gArgs, listBox;
+
+function dialogOnLoad() {
+    gArgs = window.arguments[0].QueryInterface(Ci.nsIWritablePropertyBag2)
+                               .QueryInterface(Ci.nsIWritablePropertyBag);
+
+    let promptType = gArgs.getProperty("promptType");
+    if (promptType != "select") {
+        Cu.reportError("selectDialog opened for unknown type: " + promptType);
+        window.close();
+    }
+
+    // Default to canceled.
+    gArgs.setProperty("ok", false);
+
+    document.title = gArgs.getProperty("title");
+
+    let text = gArgs.getProperty("text");
+    document.getElementById("info.txt").setAttribute("value", text);
+
+    let items = gArgs.getProperty("list");
+    listBox = document.getElementById("list");
+
+    for (let i = 0; i < items.length; i++) {
+        let str = items[i];
+        if (str == "")
+            str = "<>";
+        listBox.appendItem(str);
+        listBox.getItemAtIndex(i).addEventListener("dblclick", dialogDoubleClick, false);
+    }
+    listBox.selectedIndex = 0;
+    listBox.focus();
+
+    // resize the window to the content
+    window.sizeToContent();
+
+    // Move to the right location
+    moveToAlertPosition();
+    centerWindowOnScreen();
+
+    // play sound
+    try {
+        Cc["@mozilla.org/sound;1"].
+        createInstance(Ci.nsISound).
+        playEventSound(Ci.nsISound.EVENT_SELECT_DIALOG_OPEN);
+    } catch (e) { }
+}
+
+function dialogOK() {
+    gArgs.setProperty("selected", listBox.selectedIndex);
+    gArgs.setProperty("ok", true);
+    return true;
+}
+
+function dialogDoubleClick() {
+    dialogOK();
+    window.close();
+}
diff --git a/toolkit/components/prompts/content/selectDialog.xul b/toolkit/components/prompts/content/selectDialog.xul
new file mode 100644
index 0000000000..9b72bcfb09
--- /dev/null
+++ b/toolkit/components/prompts/content/selectDialog.xul
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<?xml-stylesheet href="chrome://global/skin/global.css" type="text/css"?>
+<!DOCTYPE dialog SYSTEM "chrome://global/locale/commonDialog.dtd">
+
+<dialog xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+      onload="dialogOnLoad()"
+      ondialogaccept="return dialogOK();">
+
+  <script type="application/javascript" src="chrome://global/content/selectDialog.js" />
+  <keyset id="dialogKeys"/>
+  <vbox style="width: 24em;margin: 5px;">
+    <label id="info.txt"/>
+    <vbox>
+      <listbox id="list" rows="4" flex="1"/>
+    </vbox>
+  </vbox>
+</dialog>
diff --git a/toolkit/components/prompts/content/tabprompts.css b/toolkit/components/prompts/content/tabprompts.css
new file mode 100644
index 0000000000..c4b0f7593c
--- /dev/null
+++ b/toolkit/components/prompts/content/tabprompts.css
@@ -0,0 +1,35 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Tab Modal Prompt boxes */
+tabmodalprompt {
+  width: 100%;
+  height: 100%;
+  -moz-box-pack: center;
+  -moz-box-orient: vertical;
+}
+
+.mainContainer {
+  min-width: 20em;
+  min-height: 12em;
+  -moz-user-focus: normal;
+}
+
+.info\.title {
+  margin-bottom: 1em !important;
+  font-weight: bold;
+}
+
+.info\.body {
+  margin: 0 !important;
+  -moz-user-focus: normal;
+  -moz-user-select: text;
+  cursor: text !important;
+  white-space: pre-wrap;
+  unicode-bidi: plaintext;
+}
+
+label[value=""] {
+  visibility: collapse;
+}
diff --git a/toolkit/components/prompts/content/tabprompts.xml b/toolkit/components/prompts/content/tabprompts.xml
new file mode 100644
index 0000000000..07c6c8efbc
--- /dev/null
+++ b/toolkit/components/prompts/content/tabprompts.xml
@@ -0,0 +1,352 @@
+<?xml version="1.0"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!DOCTYPE bindings [
+<!ENTITY % commonDialogDTD  SYSTEM "chrome://global/locale/commonDialog.dtd">
+<!ENTITY % dialogOverlayDTD SYSTEM "chrome://global/locale/dialogOverlay.dtd">
+%commonDialogDTD;
+%dialogOverlayDTD;
+]>
+
+<bindings id="tabPrompts"
+   xmlns="http://www.mozilla.org/xbl"
+   xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+   xmlns:xbl="http://www.mozilla.org/xbl">
+
+  <binding id="tabmodalprompt">
+
+    <resources>
+        <stylesheet src="chrome://global/content/tabprompts.css"/>
+        <stylesheet src="chrome://global/skin/tabprompts.css"/>
+    </resources>
+
+    <xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+                 role="dialog"
+                 aria-describedby="info.body">
+
+        <!-- This is based on the guts of commonDialog.xul -->
+        <spacer flex="1"/>
+        <hbox pack="center">
+            <vbox anonid="mainContainer" class="mainContainer">
+                <grid class="topContainer" flex="1">
+                    <columns>
+                        <column/>
+                        <column flex="1"/>
+                    </columns>
+
+                    <rows>
+                        <vbox anonid="infoContainer" align="center" pack="center" flex="1">
+                            <description anonid="info.title" class="info.title" hidden="true" />
+                            <description anonid="info.body" class="info.body"/>
+                        </vbox>
+
+                        <row anonid="loginContainer" hidden="true" align="center">
+                            <label anonid="loginLabel" value="&editfield0.label;" control="loginTextbox"/>
+                            <textbox anonid="loginTextbox"/>
+                        </row>
+
+                        <row anonid="password1Container" hidden="true" align="center">
+                            <label anonid="password1Label" value="&editfield1.label;" control="password1Textbox"/>
+                            <textbox anonid="password1Textbox" type="password"/>
+                        </row>
+
+                        <row anonid="checkboxContainer" hidden="true">
+                            <spacer/>
+                            <checkbox anonid="checkbox"/>
+                        </row>
+
+                        <xbl:children includes="row"/>
+                    </rows>
+                </grid>
+                <xbl:children/>
+                <hbox class="buttonContainer">
+#ifdef XP_UNIX
+                    <button anonid="button3" hidden="true"/>
+                    <button anonid="button2" hidden="true"/>
+                    <spacer anonid="buttonSpacer" flex="1"/>
+                    <button anonid="button1" label="&cancelButton.label;"/>
+                    <button anonid="button0" label="&okButton.label;"/>
+#else
+                    <button anonid="button3" hidden="true"/>
+                    <spacer anonid="buttonSpacer" flex="1"/>
+                    <button anonid="button0" label="&okButton.label;"/>
+                    <button anonid="button2" hidden="true"/>
+                    <button anonid="button1" label="&cancelButton.label;"/>
+#endif
+                </hbox>
+            </vbox>
+        </hbox>
+        <spacer flex="2"/>
+    </xbl:content>
+
+    <implementation implements="nsIDOMEventListener">
+        <constructor>
+        <![CDATA[
+            let self = this;
+            function getElement(anonid) {
+                return document.getAnonymousElementByAttribute(self, "anonid", anonid);
+            }
+
+            this.ui = {
+                prompt             : this,
+                loginContainer     : getElement("loginContainer"),
+                loginTextbox       : getElement("loginTextbox"),
+                loginLabel         : getElement("loginLabel"),
+                password1Container : getElement("password1Container"),
+                password1Textbox   : getElement("password1Textbox"),
+                password1Label     : getElement("password1Label"),
+                infoBody           : getElement("info.body"),
+                infoTitle          : getElement("info.title"),
+                infoIcon           : null,
+                checkbox           : getElement("checkbox"),
+                checkboxContainer  : getElement("checkboxContainer"),
+                button3            : getElement("button3"),
+                button2            : getElement("button2"),
+                button1            : getElement("button1"),
+                button0            : getElement("button0"),
+                // focusTarget (for BUTTON_DELAY_ENABLE) not yet supported
+            };
+
+            this.ui.button0.addEventListener("command", this.onButtonClick.bind(this, 0), false);
+            this.ui.button1.addEventListener("command", this.onButtonClick.bind(this, 1), false);
+            this.ui.button2.addEventListener("command", this.onButtonClick.bind(this, 2), false);
+            this.ui.button3.addEventListener("command", this.onButtonClick.bind(this, 3), false);
+            // Anonymous wrapper used here because |Dialog| doesn't exist until init() is called!
+            this.ui.checkbox.addEventListener("command", function() { self.Dialog.onCheckbox(); }, false);
+            this.isLive = false;
+        ]]>
+        </constructor>
+        <destructor>
+        <![CDATA[
+            if (this.isLive) {
+                this.abortPrompt();
+            }
+        ]]>
+        </destructor>
+
+        <field name="ui"/>
+        <field name="args"/>
+        <field name="linkedTab"/>
+        <field name="onCloseCallback"/>
+        <field name="Dialog"/>
+        <field name="isLive"/>
+        <field name="availWidth"/>
+        <field name="availHeight"/>
+        <field name="minWidth"/>
+        <field name="minHeight"/>
+
+        <method name="init">
+            <parameter name="args"/>
+            <parameter name="linkedTab"/>
+            <parameter name="onCloseCallback"/>
+            <body>
+            <![CDATA[
+                this.args = args;
+                this.linkedTab = linkedTab;
+                this.onCloseCallback = onCloseCallback;
+
+                if (args.enableDelay)
+                    throw "BUTTON_DELAY_ENABLE not yet supported for tab-modal prompts";
+
+                // We need to remove the prompt when the tab or browser window is closed or
+                // the page navigates, else we never unwind the event loop and that's sad times.
+                // Remember to cleanup in shutdownPrompt()!
+                this.isLive = true;
+                window.addEventListener("resize", this, false);
+                window.addEventListener("unload", this, false);
+                linkedTab.addEventListener("TabClose", this, false);
+                // Note:
+                // nsPrompter.js or in e10s mode browser-parent.js call abortPrompt,
+                // when the domWindow, for which the prompt was created, generates
+                // a "pagehide" event.
+
+                let tmp = {};
+                Components.utils.import("resource://gre/modules/CommonDialog.jsm", tmp);
+                this.Dialog = new tmp.CommonDialog(args, this.ui);
+                this.Dialog.onLoad(null);
+
+                // Display the tabprompt title that shows the prompt origin when
+                // the prompt origin is not the same as that of the top window.
+                if (!args.showAlertOrigin)
+                    this.ui.infoTitle.removeAttribute("hidden");
+
+                // TODO: should unhide buttonSpacer on Windows when there are 4 buttons.
+                //       Better yet, just drop support for 4-button dialogs. (bug 609510)
+
+                this.onResize();
+            ]]>
+            </body>
+        </method>
+
+        <method name="shutdownPrompt">
+            <body>
+            <![CDATA[
+                // remove our event listeners
+                try {
+                    window.removeEventListener("resize", this, false);
+                    window.removeEventListener("unload", this, false);
+                    this.linkedTab.removeEventListener("TabClose", this, false);
+                } catch (e) { }
+                this.isLive = false;
+                // invoke callback
+                this.onCloseCallback();
+            ]]>
+            </body>
+        </method>
+
+        <method name="abortPrompt">
+            <body>
+            <![CDATA[
+                // Called from other code when the page changes.
+                this.Dialog.abortPrompt();
+                this.shutdownPrompt();
+            ]]>
+            </body>
+        </method>
+
+        <method name="handleEvent">
+            <parameter name="aEvent"/>
+            <body>
+            <![CDATA[
+                switch (aEvent.type) {
+                  case "resize":
+                    this.onResize();
+                    break;
+                  case "unload":
+                  case "TabClose":
+                    this.abortPrompt();
+                    break;
+                }
+            ]]>
+            </body>
+        </method>
+
+        <method name="onResize">
+            <body>
+            <![CDATA[
+                let availWidth = this.clientWidth;
+                let availHeight = this.clientHeight;
+                if (availWidth == this.availWidth && availHeight == this.availHeight)
+                    return;
+                this.availWidth = availWidth;
+                this.availHeight = availHeight;
+
+                let self = this;
+                function getElement(anonid) {
+                    return document.getAnonymousElementByAttribute(self, "anonid", anonid);
+                }
+                let main = getElement("mainContainer");
+                let info = getElement("infoContainer");
+                let body = this.ui.infoBody;
+
+                // cap prompt dimensions at 60% width and 60% height of content area
+                if (!this.minWidth)
+                  this.minWidth = parseInt(window.getComputedStyle(main).minWidth);
+                if (!this.minHeight)
+                  this.minHeight = parseInt(window.getComputedStyle(main).minHeight);
+                let maxWidth = Math.max(Math.floor(availWidth * 0.6), this.minWidth) +
+                               info.clientWidth - main.clientWidth;
+                let maxHeight = Math.max(Math.floor(availHeight * 0.6), this.minHeight) +
+                                info.clientHeight - main.clientHeight;
+                body.style.maxWidth = maxWidth + "px";
+                info.style.overflow = info.style.width = info.style.height = "";
+
+                // when prompt text is too long, use scrollbars
+                if (info.clientWidth > maxWidth) {
+                    info.style.overflow = "auto";
+                    info.style.width = maxWidth + "px";
+                }
+                if (info.clientHeight > maxHeight) {
+                    info.style.overflow = "auto";
+                    info.style.height = maxHeight + "px";
+                }
+            ]]>
+            </body>
+        </method>
+
+        <method name="onButtonClick">
+            <parameter name="buttonNum"/>
+            <body>
+            <![CDATA[
+                // We want to do all the work her asynchronously off a Gecko
+                // runnable, because of situations like the one described in
+                // https://bugzilla.mozilla.org/show_bug.cgi?id=1167575#c35 : we
+                // get here off processing of an OS event and will also process
+                // one more Gecko runnable before we break out of the event loop
+                // spin whoever posted the prompt is doing.  If we do all our
+                // work sync, we will exit modal state _before_ processing that
+                // runnable, and if exiting moral state posts a runnable we will
+                // incorrectly process that runnable before leaving our event
+                // loop spin.
+                Services.tm.mainThread.dispatch(() => {
+                    this.Dialog["onButton" + buttonNum]();
+                    this.shutdownPrompt();
+                  },
+                  Ci.nsIThread.DISPATCH_NORMAL);
+            ]]>
+            </body>
+        </method>
+
+        <method name="onKeyAction">
+            <parameter name="action"/>
+            <parameter name="event"/>
+            <body>
+            <![CDATA[
+                if (event.defaultPrevented)
+                    return;
+
+                event.stopPropagation();
+                if (action == "default") {
+                    let bnum = this.args.defaultButtonNum || 0;
+                    this.onButtonClick(bnum);
+                } else { // action == "cancel"
+                    this.onButtonClick(1); // Cancel button
+                }
+            ]]>
+            </body>
+        </method>
+    </implementation>
+
+    <handlers>
+        <!-- Based on dialog.xml handlers -->
+        <handler event="keypress" keycode="VK_RETURN"
+                 group="system" action="this.onKeyAction('default', event);"/>
+        <handler event="keypress" keycode="VK_ESCAPE"
+                 group="system" action="this.onKeyAction('cancel', event);"/>
+#ifdef XP_MACOSX
+        <handler event="keypress" key="." modifiers="meta"
+                 group="system" action="this.onKeyAction('cancel', event);"/>
+#endif
+        <handler event="focus" phase="capturing">
+            let bnum = this.args.defaultButtonNum || 0;
+            let defaultButton = this.ui["button" + bnum];
+
+            let { AppConstants } =
+                Components.utils.import("resource://gre/modules/AppConstants.jsm", {});
+            if (AppConstants.platform == "macosx") {
+              // On OS X, the default button always stays marked as such (until
+              // the entire prompt blurs).
+              defaultButton.setAttribute("default", true);
+            } else {
+              // On other platforms, the default button is only marked as such
+              // when no other button has focus. XUL buttons on not-OSX will
+              // react to pressing enter as a command, so you can't trigger the
+              // default without tabbing to it or something that isn't a button.
+              let focusedDefault = (event.originalTarget == defaultButton);
+              let someButtonFocused = event.originalTarget instanceof Ci.nsIDOMXULButtonElement;
+              defaultButton.setAttribute("default", focusedDefault || !someButtonFocused);
+            }
+        </handler>
+        <handler event="blur">
+            // If focus shifted to somewhere else in the browser, don't make
+            // the default button look active.
+            let bnum = this.args.defaultButtonNum || 0;
+            let button = this.ui["button" + bnum];
+            button.setAttribute("default", false);
+        </handler>
+    </handlers>
+
+  </binding>
+</bindings>
diff --git a/toolkit/components/prompts/jar.mn b/toolkit/components/prompts/jar.mn
new file mode 100644
index 0000000000..60ecbdcbc4
--- /dev/null
+++ b/toolkit/components/prompts/jar.mn
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+toolkit.jar:
+   content/global/commonDialog.js             (content/commonDialog.js)
+*  content/global/commonDialog.xul            (content/commonDialog.xul)
+   content/global/commonDialog.css            (content/commonDialog.css)
+   content/global/selectDialog.js             (content/selectDialog.js)
+   content/global/selectDialog.xul            (content/selectDialog.xul)
+   content/global/tabprompts.css              (content/tabprompts.css)
+*  content/global/tabprompts.xml              (content/tabprompts.xml)
diff --git a/toolkit/components/prompts/moz.build b/toolkit/components/prompts/moz.build
new file mode 100644
index 0000000000..1dc21cca62
--- /dev/null
+++ b/toolkit/components/prompts/moz.build
@@ -0,0 +1,11 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DIRS += ['src']
+
+MOCHITEST_MANIFESTS += ['test/mochitest.ini']
+
+JAR_MANIFESTS += ['jar.mn']
diff --git a/toolkit/components/prompts/src/CommonDialog.jsm b/toolkit/components/prompts/src/CommonDialog.jsm
new file mode 100644
index 0000000000..c4200feb31
--- /dev/null
+++ b/toolkit/components/prompts/src/CommonDialog.jsm
@@ -0,0 +1,308 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+this.EXPORTED_SYMBOLS = ["CommonDialog"];
+
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cc = Components.classes;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "EnableDelayHelper",
+                                  "resource://gre/modules/SharedPromptUtils.jsm");
+
+
+this.CommonDialog = function CommonDialog(args, ui) {
+    this.args = args;
+    this.ui   = ui;
+}
+
+CommonDialog.prototype = {
+    args : null,
+    ui   : null,
+
+    hasInputField : true,
+    numButtons    : undefined,
+    iconClass     : undefined,
+    soundID       : undefined,
+    focusTimer    : null,
+
+    onLoad : function(xulDialog) {
+        switch (this.args.promptType) {
+          case "alert":
+          case "alertCheck":
+            this.hasInputField = false;
+            this.numButtons    = 1;
+            this.iconClass     = ["alert-icon"];
+            this.soundID       = Ci.nsISound.EVENT_ALERT_DIALOG_OPEN;
+            break;
+          case "confirmCheck":
+          case "confirm":
+            this.hasInputField = false;
+            this.numButtons    = 2;
+            this.iconClass     = ["question-icon"];
+            this.soundID       = Ci.nsISound.EVENT_CONFIRM_DIALOG_OPEN;
+            break;
+          case "confirmEx":
+            var numButtons = 0;
+            if (this.args.button0Label)
+                numButtons++;
+            if (this.args.button1Label)
+                numButtons++;
+            if (this.args.button2Label)
+                numButtons++;
+            if (this.args.button3Label)
+                numButtons++;
+            if (numButtons == 0)
+                throw "A dialog with no buttons? Can not haz.";
+            this.numButtons    = numButtons;
+            this.hasInputField = false;
+            this.iconClass     = ["question-icon"];
+            this.soundID       = Ci.nsISound.EVENT_CONFIRM_DIALOG_OPEN;
+            break;
+          case "prompt":
+            this.numButtons = 2;
+            this.iconClass  = ["question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("login", this.args.value);
+            // Clear the label, since this isn't really a username prompt.
+            this.ui.loginLabel.setAttribute("value", "");
+            break;
+          case "promptUserAndPass":
+            this.numButtons = 2;
+            this.iconClass  = ["authentication-icon", "question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("login",     this.args.user);
+            this.initTextbox("password1", this.args.pass);
+            break;
+          case "promptPassword":
+            this.numButtons = 2;
+            this.iconClass  = ["authentication-icon", "question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("password1", this.args.pass);
+            // Clear the label, since the message presumably indicates its purpose.
+            this.ui.password1Label.setAttribute("value", "");
+            break;
+          default:
+            Cu.reportError("commonDialog opened for unknown type: " + this.args.promptType);
+            throw "unknown dialog type";
+        }
+
+        // set the document title
+        let title = this.args.title;
+        // OS X doesn't have a title on modal dialogs, this is hidden on other platforms.
+        let infoTitle = this.ui.infoTitle;
+        infoTitle.appendChild(infoTitle.ownerDocument.createTextNode(title));
+        if (xulDialog)
+            xulDialog.ownerDocument.title = title;
+
+        // Set button labels and visibility
+        //
+        // This assumes that button0 defaults to a visible "ok" button, and
+        // button1 defaults to a visible "cancel" button. The other 2 buttons
+        // have no default labels (and are hidden).
+        switch (this.numButtons) {
+          case 4:
+            this.setLabelForNode(this.ui.button3, this.args.button3Label);
+            this.ui.button3.hidden = false;
+            // fall through
+          case 3:
+            this.setLabelForNode(this.ui.button2, this.args.button2Label);
+            this.ui.button2.hidden = false;
+            // fall through
+          case 2:
+            // Defaults to a visible "cancel" button
+            if (this.args.button1Label)
+                this.setLabelForNode(this.ui.button1, this.args.button1Label);
+            break;
+
+          case 1:
+            this.ui.button1.hidden = true;
+            break;
+        }
+        // Defaults to a visible "ok" button
+        if (this.args.button0Label)
+            this.setLabelForNode(this.ui.button0, this.args.button0Label);
+
+        // display the main text
+        let croppedMessage = "";
+        if (this.args.text) {
+            // Bug 317334 - crop string length as a workaround.
+            croppedMessage = this.args.text.substr(0, 10000);
+        }
+        let infoBody = this.ui.infoBody;
+        infoBody.appendChild(infoBody.ownerDocument.createTextNode(croppedMessage));
+
+        let label = this.args.checkLabel;
+        if (label) {
+            // Only show the checkbox if label has a value.
+            this.ui.checkboxContainer.hidden = false;
+            this.setLabelForNode(this.ui.checkbox, label);
+            this.ui.checkbox.checked = this.args.checked;
+        }
+
+        // set the icon
+        let icon = this.ui.infoIcon;
+        if (icon)
+            this.iconClass.forEach((el, idx, arr) => icon.classList.add(el));
+
+        // set default result to cancelled
+        this.args.ok = false;
+        this.args.buttonNumClicked = 1;
+
+
+        // Set the default button
+        let b = (this.args.defaultButtonNum || 0);
+        let button = this.ui["button" + b];
+
+        if (xulDialog)
+            xulDialog.defaultButton = ['accept', 'cancel', 'extra1', 'extra2'][b];
+        else
+            button.setAttribute("default", "true");
+
+        // Set default focus / selection.
+        this.setDefaultFocus(true);
+
+        if (this.args.enableDelay) {
+            this.delayHelper = new EnableDelayHelper({
+                disableDialog: () => this.setButtonsEnabledState(false),
+                enableDialog: () => this.setButtonsEnabledState(true),
+                focusTarget: this.ui.focusTarget
+            });
+        }
+
+        // Play a sound (unless we're tab-modal -- don't want those to feel like OS prompts).
+        try {
+            if (xulDialog && this.soundID) {
+                Cc["@mozilla.org/sound;1"].
+                createInstance(Ci.nsISound).
+                playEventSound(this.soundID);
+            }
+        } catch (e) {
+            Cu.reportError("Couldn't play common dialog event sound: " + e);
+        }
+
+        let topic = "common-dialog-loaded";
+        if (!xulDialog)
+            topic = "tabmodal-dialog-loaded";
+        Services.obs.notifyObservers(this.ui.prompt, topic, null);
+    },
+
+    setLabelForNode: function(aNode, aLabel) {
+        // This is for labels which may contain embedded access keys.
+        // If we end in (&X) where X represents the access key, optionally preceded
+        // by spaces and/or followed by the ':' character, store the access key and
+        // remove the access key placeholder + leading spaces from the label.
+        // Otherwise a character preceded by one but not two &s is the access key.
+        // Store it and remove the &.
+
+        // Note that if you change the following code, see the comment of
+        // nsTextBoxFrame::UpdateAccessTitle.
+        var accessKey = null;
+        if (/ *\(\&([^&])\)(:?)$/.test(aLabel)) {
+            aLabel = RegExp.leftContext + RegExp.$2;
+            accessKey = RegExp.$1;
+        } else if (/^([^&]*)\&(([^&]).*$)/.test(aLabel)) {
+            aLabel = RegExp.$1 + RegExp.$2;
+            accessKey = RegExp.$3;
+        }
+
+        // && is the magic sequence to embed an & in your label.
+        aLabel = aLabel.replace(/\&\&/g, "&");
+        aNode.label = aLabel;
+
+        // XXXjag bug 325251
+        // Need to set this after aNode.setAttribute("value", aLabel);
+        if (accessKey)
+            aNode.accessKey = accessKey;
+    },
+
+
+    initTextbox : function (aName, aValue) {
+        this.ui[aName + "Container"].hidden = false;
+        this.ui[aName + "Textbox"].setAttribute("value",
+                                                aValue !== null ? aValue : "");
+    },
+
+    setButtonsEnabledState : function(enabled) {
+        this.ui.button0.disabled = !enabled;
+        // button1 (cancel) remains enabled.
+        this.ui.button2.disabled = !enabled;
+        this.ui.button3.disabled = !enabled;
+    },
+
+    setDefaultFocus : function(isInitialLoad) {
+        let b = (this.args.defaultButtonNum || 0);
+        let button = this.ui["button" + b];
+
+        if (!this.hasInputField) {
+            let isOSX = ("nsILocalFileMac" in Components.interfaces);
+            if (isOSX)
+                this.ui.infoBody.focus();
+            else
+                button.focus();
+        } else if (this.args.promptType == "promptPassword") {
+            // When the prompt is initialized, focus and select the textbox
+            // contents. Afterwards, only focus the textbox.
+            if (isInitialLoad)
+                this.ui.password1Textbox.select();
+            else
+                this.ui.password1Textbox.focus();
+        } else if (isInitialLoad) {
+                this.ui.loginTextbox.select();
+        } else {
+                this.ui.loginTextbox.focus();
+        }
+    },
+
+    onCheckbox : function() {
+        this.args.checked = this.ui.checkbox.checked;
+    },
+
+    onButton0 : function() {
+        this.args.promptActive = false;
+        this.args.ok = true;
+        this.args.buttonNumClicked = 0;
+
+        let username = this.ui.loginTextbox.value;
+        let password = this.ui.password1Textbox.value;
+
+        // Return textfield values
+        switch (this.args.promptType) {
+          case "prompt":
+            this.args.value = username;
+            break;
+          case "promptUserAndPass":
+            this.args.user = username;
+            this.args.pass = password;
+            break;
+          case "promptPassword":
+            this.args.pass = password;
+            break;
+        }
+    },
+
+    onButton1 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 1;
+    },
+
+    onButton2 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 2;
+    },
+
+    onButton3 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 3;
+    },
+
+    abortPrompt : function() {
+        this.args.promptActive = false;
+        this.args.promptAborted = true;
+    },
+
+};
diff --git a/toolkit/components/prompts/src/SharedPromptUtils.jsm b/toolkit/components/prompts/src/SharedPromptUtils.jsm
new file mode 100644
index 0000000000..b27096ac28
--- /dev/null
+++ b/toolkit/components/prompts/src/SharedPromptUtils.jsm
@@ -0,0 +1,157 @@
+this.EXPORTED_SYMBOLS = [ "PromptUtils", "EnableDelayHelper" ];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+
+this.PromptUtils = {
+    // Fire a dialog open/close event. Used by tabbrowser to focus the
+    // tab which is triggering a prompt.
+    // For remote dialogs, we pass in a different DOM window and a separate
+    // target. If the caller doesn't pass in the target, then we'll simply use
+    // the passed-in DOM window.
+    // The detail may contain information about the principal on which the
+    // prompt is triggered, as well as whether or not this is a tabprompt
+    // (ie tabmodal alert/prompt/confirm and friends)
+    fireDialogEvent : function (domWin, eventName, maybeTarget, detail) {
+        let target = maybeTarget || domWin;
+        let eventOptions = {cancelable: true, bubbles: true};
+        if (detail) {
+          eventOptions.detail = detail;
+        }
+        let event = new domWin.CustomEvent(eventName, eventOptions);
+        let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                             .getInterface(Ci.nsIDOMWindowUtils);
+        winUtils.dispatchEventToChromeOnly(target, event);
+    },
+
+    objectToPropBag : function (obj) {
+        let bag = Cc["@mozilla.org/hash-property-bag;1"].
+                  createInstance(Ci.nsIWritablePropertyBag2);
+        bag.QueryInterface(Ci.nsIWritablePropertyBag);
+
+        for (let propName in obj)
+            bag.setProperty(propName, obj[propName]);
+
+        return bag;
+    },
+
+    propBagToObject : function (propBag, obj) {
+        // Here we iterate over the object's original properties, not the bag
+        // (ie, the prompt can't return more/different properties than were
+        // passed in). This just helps ensure that the caller provides default
+        // values, lest the prompt forget to set them.
+        for (let propName in obj)
+            obj[propName] = propBag.getProperty(propName);
+    },
+};
+
+/**
+ * This helper handles the enabling/disabling of dialogs that might
+ * be subject to fast-clicking attacks. It handles the initial delayed
+ * enabling of the dialog, as well as disabling it on blur and reapplying
+ * the delay when the dialog regains focus.
+ *
+ * @param enableDialog   A custom function to be called when the dialog
+ *                       is to be enabled.
+ * @param diableDialog   A custom function to be called when the dialog
+ *                       is to be disabled.
+ * @param focusTarget    The window used to watch focus/blur events.
+ */
+this.EnableDelayHelper = function({enableDialog, disableDialog, focusTarget}) {
+    this.enableDialog = makeSafe(enableDialog);
+    this.disableDialog = makeSafe(disableDialog);
+    this.focusTarget = focusTarget;
+
+    this.disableDialog();
+
+    this.focusTarget.addEventListener("blur", this, false);
+    this.focusTarget.addEventListener("focus", this, false);
+    this.focusTarget.document.addEventListener("unload", this, false);
+
+    this.startOnFocusDelay();
+};
+
+this.EnableDelayHelper.prototype = {
+    get delayTime() {
+        return Services.prefs.getIntPref("security.dialog_enable_delay");
+    },
+
+    handleEvent : function(event) {
+        if (event.target != this.focusTarget &&
+            event.target != this.focusTarget.document)
+            return;
+
+        switch (event.type) {
+            case "blur":
+                this.onBlur();
+                break;
+
+            case "focus":
+                this.onFocus();
+                break;
+
+            case "unload":
+                this.onUnload();
+                break;
+        }
+    },
+
+    onBlur : function () {
+        this.disableDialog();
+        // If we blur while waiting to enable the buttons, just cancel the
+        // timer to ensure the delay doesn't fire while not focused.
+        if (this._focusTimer) {
+            this._focusTimer.cancel();
+            this._focusTimer = null;
+        }
+    },
+
+    onFocus : function () {
+        this.startOnFocusDelay();
+    },
+
+    onUnload: function() {
+        this.focusTarget.removeEventListener("blur", this, false);
+        this.focusTarget.removeEventListener("focus", this, false);
+        this.focusTarget.document.removeEventListener("unload", this, false);
+
+        if (this._focusTimer) {
+            this._focusTimer.cancel();
+            this._focusTimer = null;
+        }
+
+        this.focusTarget = this.enableDialog = this.disableDialog = null;
+    },
+
+    startOnFocusDelay : function() {
+        if (this._focusTimer)
+            return;
+
+        this._focusTimer = Cc["@mozilla.org/timer;1"]
+                             .createInstance(Ci.nsITimer);
+        this._focusTimer.initWithCallback(
+            () => { this.onFocusTimeout(); },
+            this.delayTime,
+            Ci.nsITimer.TYPE_ONE_SHOT
+        );
+    },
+
+    onFocusTimeout : function() {
+        this._focusTimer = null;
+        this.enableDialog();
+    },
+};
+
+function makeSafe(fn) {
+    return function () {
+        // The dialog could be gone by now (if the user closed it),
+        // which makes it likely that the given fn might throw.
+        try {
+            fn();
+        } catch (e) { }
+    };
+}
diff --git a/toolkit/components/prompts/src/moz.build b/toolkit/components/prompts/src/moz.build
new file mode 100644
index 0000000000..b13e47b426
--- /dev/null
+++ b/toolkit/components/prompts/src/moz.build
@@ -0,0 +1,16 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXTRA_COMPONENTS += [
+    'nsPrompter.js',
+    'nsPrompter.manifest',
+]
+
+EXTRA_JS_MODULES += [
+    'CommonDialog.jsm',
+    'SharedPromptUtils.jsm',
+]
+
diff --git a/toolkit/components/prompts/src/nsPrompter.js b/toolkit/components/prompts/src/nsPrompter.js
new file mode 100644
index 0000000000..26efe28cc7
--- /dev/null
+++ b/toolkit/components/prompts/src/nsPrompter.js
@@ -0,0 +1,958 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/SharedPromptUtils.jsm");
+
+function Prompter() {
+    // Note that EmbedPrompter clones this implementation.
+}
+
+Prompter.prototype = {
+    classID          : Components.ID("{1c978d25-b37f-43a8-a2d6-0c7a239ead87}"),
+    QueryInterface   : XPCOMUtils.generateQI([Ci.nsIPromptFactory, Ci.nsIPromptService, Ci.nsIPromptService2]),
+
+
+    /* ----------  private members  ---------- */
+
+    pickPrompter : function (domWin) {
+        return new ModalPrompter(domWin);
+    },
+
+
+    /* ----------  nsIPromptFactory  ---------- */
+
+
+    getPrompt : function (domWin, iid) {
+        // This is still kind of dumb; the C++ code delegated to login manager
+        // here, which in turn calls back into us via nsIPromptService2.
+        if (iid.equals(Ci.nsIAuthPrompt2) || iid.equals(Ci.nsIAuthPrompt)) {
+            try {
+                let pwmgr = Cc["@mozilla.org/passwordmanager/authpromptfactory;1"].
+                            getService(Ci.nsIPromptFactory);
+                return pwmgr.getPrompt(domWin, iid);
+            } catch (e) {
+                Cu.reportError("nsPrompter: Delegation to password manager failed: " + e);
+            }
+        }
+
+        let p = new ModalPrompter(domWin);
+        p.QueryInterface(iid);
+        return p;
+    },
+
+
+    /* ----------  nsIPromptService  ---------- */
+
+
+    alert : function (domWin, title, text) {
+        let p = this.pickPrompter(domWin);
+        p.alert(title, text);
+    },
+
+    alertCheck : function (domWin, title, text, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        p.alertCheck(title, text, checkLabel, checkValue);
+    },
+
+    confirm : function (domWin, title, text) {
+        let p = this.pickPrompter(domWin);
+        return p.confirm(title, text);
+    },
+
+    confirmCheck : function (domWin, title, text, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.confirmCheck(title, text, checkLabel, checkValue);
+    },
+
+    confirmEx : function (domWin, title, text, flags, button0, button1, button2, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.confirmEx(title, text,  flags, button0, button1, button2, checkLabel, checkValue);
+    },
+
+    prompt : function (domWin, title, text, value, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_prompt(title, text, value, checkLabel, checkValue);
+    },
+
+    promptUsernameAndPassword : function (domWin, title, text, user, pass, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_promptUsernameAndPassword(title, text, user, pass, checkLabel, checkValue);
+    },
+
+    promptPassword : function (domWin, title, text, pass, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_promptPassword(title, text, pass, checkLabel, checkValue);
+    },
+
+    select : function (domWin, title, text, count, list, selected) {
+        let p = this.pickPrompter(domWin);
+        return p.select(title, text, count, list, selected);
+    },
+
+
+    /* ----------  nsIPromptService2  ---------- */
+
+
+    promptAuth : function (domWin, channel, level, authInfo, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.promptAuth(channel, level, authInfo, checkLabel, checkValue);
+    },
+
+    asyncPromptAuth : function (domWin, channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.asyncPromptAuth(channel, callback, context, level, authInfo, checkLabel, checkValue);
+    },
+
+};
+
+
+// Common utils not specific to a particular prompter style.
+var PromptUtilsTemp = {
+    __proto__ : PromptUtils,
+
+    getLocalizedString : function (key, formatArgs) {
+        if (formatArgs)
+            return this.strBundle.formatStringFromName(key, formatArgs, formatArgs.length);
+        return this.strBundle.GetStringFromName(key);
+    },
+
+    confirmExHelper : function (flags, button0, button1, button2) {
+        const BUTTON_DEFAULT_MASK = 0x03000000;
+        let defaultButtonNum = (flags & BUTTON_DEFAULT_MASK) >> 24;
+        let isDelayEnabled = (flags & Ci.nsIPrompt.BUTTON_DELAY_ENABLE);
+
+        // Flags can be used to select a specific pre-defined button label or
+        // a caller-supplied string (button0/button1/button2). If no flags are
+        // set for a button, then the button won't be shown.
+        let argText = [button0, button1, button2];
+        let buttonLabels = [null, null, null];
+        for (let i = 0; i < 3; i++) {
+            let buttonLabel;
+            switch (flags & 0xff) {
+              case Ci.nsIPrompt.BUTTON_TITLE_OK:
+                buttonLabel = PromptUtils.getLocalizedString("OK");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_CANCEL:
+                buttonLabel = PromptUtils.getLocalizedString("Cancel");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_YES:
+                buttonLabel = PromptUtils.getLocalizedString("Yes");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_NO:
+                buttonLabel = PromptUtils.getLocalizedString("No");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_SAVE:
+                buttonLabel = PromptUtils.getLocalizedString("Save");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_DONT_SAVE:
+                buttonLabel = PromptUtils.getLocalizedString("DontSave");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_REVERT:
+                buttonLabel = PromptUtils.getLocalizedString("Revert");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_IS_STRING:
+                buttonLabel = argText[i];
+                break;
+            }
+            if (buttonLabel)
+                buttonLabels[i] = buttonLabel;
+            flags >>= 8;
+        }
+
+        return [buttonLabels[0], buttonLabels[1], buttonLabels[2], defaultButtonNum, isDelayEnabled];
+    },
+
+    getAuthInfo : function (authInfo) {
+        let username, password;
+
+        let flags = authInfo.flags;
+        if (flags & Ci.nsIAuthInformation.NEED_DOMAIN && authInfo.domain)
+            username = authInfo.domain + "\\" + authInfo.username;
+        else
+            username = authInfo.username;
+
+        password = authInfo.password;
+
+        return [username, password];
+    },
+
+    setAuthInfo : function (authInfo, username, password) {
+        let flags = authInfo.flags;
+        if (flags & Ci.nsIAuthInformation.NEED_DOMAIN) {
+            // Domain is separated from username by a backslash
+            let idx = username.indexOf("\\");
+            if (idx == -1) {
+                authInfo.username = username;
+            } else {
+                authInfo.domain   =  username.substring(0, idx);
+                authInfo.username =  username.substring(idx+1);
+            }
+        } else {
+            authInfo.username = username;
+        }
+        authInfo.password = password;
+    },
+
+    /**
+     * Strip out things like userPass and path for display.
+     */
+    getFormattedHostname : function (uri) {
+        return uri.scheme + "://" + uri.hostPort;
+    },
+
+    // Copied from login manager
+    getAuthTarget : function (aChannel, aAuthInfo) {
+        let hostname, realm;
+
+        // If our proxy is demanding authentication, don't use the
+        // channel's actual destination.
+        if (aAuthInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) {
+            if (!(aChannel instanceof Ci.nsIProxiedChannel))
+                throw "proxy auth needs nsIProxiedChannel";
+
+            let info = aChannel.proxyInfo;
+            if (!info)
+                throw "proxy auth needs nsIProxyInfo";
+
+            // Proxies don't have a scheme, but we'll use "moz-proxy://"
+            // so that it's more obvious what the login is for.
+            let idnService = Cc["@mozilla.org/network/idn-service;1"].
+                             getService(Ci.nsIIDNService);
+            hostname = "moz-proxy://" +
+                        idnService.convertUTF8toACE(info.host) +
+                        ":" + info.port;
+            realm = aAuthInfo.realm;
+            if (!realm)
+                realm = hostname;
+
+            return [hostname, realm];
+        }
+
+        hostname = this.getFormattedHostname(aChannel.URI);
+
+        // If a HTTP WWW-Authenticate header specified a realm, that value
+        // will be available here. If it wasn't set or wasn't HTTP, we'll use
+        // the formatted hostname instead.
+        realm = aAuthInfo.realm;
+        if (!realm)
+            realm = hostname;
+
+        return [hostname, realm];
+    },
+
+
+    makeAuthMessage : function (channel, authInfo) {
+        let isProxy    = (authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY);
+        let isPassOnly = (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD);
+        let isCrossOrig = (authInfo.flags &
+                           Ci.nsIAuthInformation.CROSS_ORIGIN_SUB_RESOURCE);
+
+        let username = authInfo.username;
+        let [displayHost, realm] = this.getAuthTarget(channel, authInfo);
+
+        // Suppress "the site says: $realm" when we synthesized a missing realm.
+        if (!authInfo.realm && !isProxy)
+            realm = "";
+
+        // Trim obnoxiously long realms.
+        if (realm.length > 150) {
+            realm = realm.substring(0, 150);
+            // Append "..." (or localized equivalent).
+            realm += this.ellipsis;
+        }
+
+        let text;
+        if (isProxy) {
+            text = PromptUtils.getLocalizedString("EnterLoginForProxy3", [realm, displayHost]);
+        } else if (isPassOnly) {
+            text = PromptUtils.getLocalizedString("EnterPasswordFor", [username, displayHost]);
+        } else if (isCrossOrig) {
+            text = PromptUtils.getLocalizedString("EnterUserPasswordForCrossOrigin2", [displayHost]);
+        } else if (!realm) {
+            text = PromptUtils.getLocalizedString("EnterUserPasswordFor2", [displayHost]);
+        } else {
+            text = PromptUtils.getLocalizedString("EnterLoginForRealm3", [realm, displayHost]);
+        }
+
+        return text;
+    },
+
+    getTabModalPrompt : function (domWin) {
+        var promptBox = null;
+
+        try {
+            // Get the topmost window, in case we're in a frame.
+            var promptWin = domWin.top;
+
+            // Get the chrome window for the content window we're using.
+            // (Unwrap because we need a non-IDL property below.)
+            var chromeWin = promptWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                                     .getInterface(Ci.nsIWebNavigation)
+                                     .QueryInterface(Ci.nsIDocShell)
+                                     .chromeEventHandler.ownerDocument
+                                     .defaultView.wrappedJSObject;
+
+            if (chromeWin.getTabModalPromptBox)
+                promptBox = chromeWin.getTabModalPromptBox(promptWin);
+        } catch (e) {
+            // If any errors happen, just assume no tabmodal prompter.
+        }
+
+        return promptBox;
+    },
+};
+
+PromptUtils = PromptUtilsTemp;
+
+XPCOMUtils.defineLazyGetter(PromptUtils, "strBundle", function () {
+    let bunService = Cc["@mozilla.org/intl/stringbundle;1"].
+                     getService(Ci.nsIStringBundleService);
+    let bundle = bunService.createBundle("chrome://global/locale/commonDialogs.properties");
+    if (!bundle)
+        throw "String bundle for Prompter not present!";
+    return bundle;
+});
+
+XPCOMUtils.defineLazyGetter(PromptUtils, "ellipsis", function () {
+    let ellipsis = "\u2026";
+    try {
+        ellipsis = Services.prefs.getComplexValue("intl.ellipsis", Ci.nsIPrefLocalizedString).data;
+    } catch (e) { }
+    return ellipsis;
+});
+
+
+
+function openModalWindow(domWin, uri, args) {
+    // There's an implied contract that says modal prompts should still work
+    // when no "parent" window is passed for the dialog (eg, the "Master
+    // Password" dialog does this).  These prompts must be shown even if there
+    // are *no* visible windows at all.
+    // There's also a requirement for prompts to be blocked if a window is
+    // passed and that window is hidden (eg, auth prompts are supressed if the
+    // passed window is the hidden window).
+    // See bug 875157 comment 30 for more...
+    if (domWin) {
+        // a domWin was passed, so we can apply the check for it being hidden.
+        let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                             .getInterface(Ci.nsIDOMWindowUtils);
+
+        if (winUtils && !winUtils.isParentWindowMainWidgetVisible) {
+            throw Components.Exception("Cannot call openModalWindow on a hidden window",
+                                       Cr.NS_ERROR_NOT_AVAILABLE);
+        }
+    } else {
+        // We try and find a window to use as the parent, but don't consider
+        // if that is visible before showing the prompt.
+        domWin = Services.ww.activeWindow;
+        // domWin may still be null here if there are _no_ windows open.
+    }
+    // Note that we don't need to fire DOMWillOpenModalDialog and
+    // DOMModalDialogClosed events here, wwatcher's OpenWindowInternal
+    // will do that. Similarly for enterModalState / leaveModalState.
+
+    Services.ww.openWindow(domWin, uri, "_blank", "centerscreen,chrome,modal,titlebar", args);
+}
+
+function openTabPrompt(domWin, tabPrompt, args) {
+    let docShell = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDocShell);
+    let inPermitUnload = docShell.contentViewer && docShell.contentViewer.inPermitUnload;
+    let eventDetail = Cu.cloneInto({tabPrompt: true, inPermitUnload}, domWin);
+    PromptUtils.fireDialogEvent(domWin, "DOMWillOpenModalDialog", null, eventDetail);
+
+    let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDOMWindowUtils);
+    winUtils.enterModalState();
+
+    let frameMM = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
+                          .getInterface(Ci.nsIContentFrameMessageManager);
+    frameMM.QueryInterface(Ci.nsIDOMEventTarget);
+
+    // We provide a callback so the prompt can close itself. We don't want to
+    // wait for this event loop to return... Otherwise the presence of other
+    // prompts on the call stack would in this dialog appearing unresponsive
+    // until the other prompts had been closed.
+    let callbackInvoked = false;
+    let newPrompt;
+    function onPromptClose(forceCleanup) {
+        if (!newPrompt && !forceCleanup)
+            return;
+        callbackInvoked = true;
+        if (newPrompt)
+            tabPrompt.removePrompt(newPrompt);
+
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        winUtils.leaveModalState();
+
+        PromptUtils.fireDialogEvent(domWin, "DOMModalDialogClosed");
+    }
+
+    frameMM.addEventListener("pagehide", pagehide, true);
+    function pagehide(e) {
+        // Check whether the event relates to our window or its ancestors
+        let window = domWin;
+        let eventWindow = e.target.defaultView;
+        while (window != eventWindow && window.parent != window) {
+          window = window.parent;
+        }
+        if (window != eventWindow) {
+          return;
+        }
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        if (newPrompt) {
+            newPrompt.abortPrompt();
+        }
+    }
+
+    try {
+        let topPrincipal = domWin.top.document.nodePrincipal;
+        let promptPrincipal = domWin.document.nodePrincipal;
+        args.showAlertOrigin = topPrincipal.equals(promptPrincipal);
+        args.promptActive = true;
+
+        newPrompt = tabPrompt.appendPrompt(args, onPromptClose);
+
+        // TODO since we don't actually open a window, need to check if
+        // there's other stuff in nsWindowWatcher::OpenWindowInternal
+        // that we might need to do here as well.
+
+        let thread = Services.tm.currentThread;
+        while (args.promptActive)
+            thread.processNextEvent(true);
+        delete args.promptActive;
+
+        if (args.promptAborted)
+            throw Components.Exception("prompt aborted by user", Cr.NS_ERROR_NOT_AVAILABLE);
+    } finally {
+        // If the prompt unexpectedly failed to invoke the callback, do so here.
+        if (!callbackInvoked)
+            onPromptClose(true);
+    }
+}
+
+function openRemotePrompt(domWin, args, tabPrompt) {
+    let docShell = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDocShell);
+    let messageManager = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
+                                 .getInterface(Ci.nsITabChild)
+                                 .messageManager;
+
+    let inPermitUnload = docShell.contentViewer && docShell.contentViewer.inPermitUnload;
+    let eventDetail = Cu.cloneInto({tabPrompt, inPermitUnload}, domWin);
+    PromptUtils.fireDialogEvent(domWin, "DOMWillOpenModalDialog", null, eventDetail);
+
+    let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDOMWindowUtils);
+    winUtils.enterModalState();
+    let closed = false;
+
+    let frameMM = docShell.getInterface(Ci.nsIContentFrameMessageManager);
+    frameMM.QueryInterface(Ci.nsIDOMEventTarget);
+
+    // It should be hard or impossible to cause a window to create multiple
+    // prompts, but just in case, give our prompt an ID.
+    let id = "id" + Cc["@mozilla.org/uuid-generator;1"]
+                      .getService(Ci.nsIUUIDGenerator).generateUUID().toString();
+
+    messageManager.addMessageListener("Prompt:Close", function listener(message) {
+        if (message.data._remoteId !== id) {
+            return;
+        }
+
+        messageManager.removeMessageListener("Prompt:Close", listener);
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        winUtils.leaveModalState();
+        PromptUtils.fireDialogEvent(domWin, "DOMModalDialogClosed");
+
+        // Copy the response from the closed prompt into our args, it will be
+        // read by our caller.
+        if (message.data) {
+            for (let key in message.data) {
+                args[key] = message.data[key];
+            }
+        }
+
+        // Exit our nested event loop when we unwind.
+        closed = true;
+    });
+
+    frameMM.addEventListener("pagehide", pagehide, true);
+    function pagehide(e) {
+        // Check whether the event relates to our window or its ancestors
+        let window = domWin;
+        let eventWindow = e.target.defaultView;
+        while (window != eventWindow && window.parent != window) {
+          window = window.parent;
+        }
+        if (window != eventWindow) {
+          return;
+        }
+        frameMM.removeEventListener("pagehide", pagehide, true);
+        messageManager.sendAsyncMessage("Prompt:ForceClose", { _remoteId: id });
+    }
+
+    let topPrincipal = domWin.top.document.nodePrincipal;
+    let promptPrincipal = domWin.document.nodePrincipal;
+    args.promptPrincipal = promptPrincipal;
+    args.showAlertOrigin = topPrincipal.equals(promptPrincipal);
+    args.inPermitUnload = inPermitUnload;
+
+    args._remoteId = id;
+
+    messageManager.sendAsyncMessage("Prompt:Open", args, {});
+
+    let thread = Services.tm.currentThread;
+    while (!closed) {
+        thread.processNextEvent(true);
+    }
+}
+
+function ModalPrompter(domWin) {
+    this.domWin = domWin;
+}
+ModalPrompter.prototype = {
+    domWin : null,
+    /*
+     * Default to not using a tab-modal prompt, unless the caller opts in by
+     * QIing to nsIWritablePropertyBag and setting the value of this property
+     * to true.
+     */
+    allowTabModal : false,
+
+    QueryInterface : XPCOMUtils.generateQI([Ci.nsIPrompt, Ci.nsIAuthPrompt,
+                                            Ci.nsIAuthPrompt2,
+                                            Ci.nsIWritablePropertyBag2]),
+
+
+    /* ---------- internal methods ---------- */
+
+
+    openPrompt : function (args) {
+        // Check pref, if false/missing do not ever allow tab-modal prompts.
+        const prefName = "prompts.tab_modal.enabled";
+        let prefValue = false;
+        if (Services.prefs.getPrefType(prefName) == Services.prefs.PREF_BOOL)
+            prefValue = Services.prefs.getBoolPref(prefName);
+
+        let allowTabModal = this.allowTabModal && prefValue;
+
+        if (allowTabModal && this.domWin) {
+            if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
+                openRemotePrompt(this.domWin, args, true);
+                return;
+            }
+
+            let tabPrompt = PromptUtils.getTabModalPrompt(this.domWin);
+            if (tabPrompt) {
+                openTabPrompt(this.domWin, tabPrompt, args);
+                return;
+            }
+        }
+
+        // If we can't do a tab modal prompt, fallback to using a window-modal dialog.
+        const COMMON_DIALOG = "chrome://global/content/commonDialog.xul";
+        const SELECT_DIALOG = "chrome://global/content/selectDialog.xul";
+
+        let uri = (args.promptType == "select") ? SELECT_DIALOG : COMMON_DIALOG;
+
+        if (Services.appinfo.processType === Services.appinfo.PROCESS_TYPE_CONTENT) {
+            args.uri = uri;
+            openRemotePrompt(this.domWin, args);
+            return;
+        }
+
+        let propBag = PromptUtils.objectToPropBag(args);
+        openModalWindow(this.domWin, uri, propBag);
+        PromptUtils.propBagToObject(propBag, args);
+    },
+
+
+
+    /*
+     * ---------- interface disambiguation ----------
+     *
+     * nsIPrompt and nsIAuthPrompt share 3 method names with slightly
+     * different arguments. All but prompt() have the same number of
+     * arguments, so look at the arg types to figure out how we're being
+     * called. :-(
+     */
+    prompt : function() {
+        // also, the nsIPrompt flavor has 5 args instead of 6.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_prompt.apply(this, arguments);
+        return this.nsIAuthPrompt_prompt.apply(this, arguments);
+    },
+
+    promptUsernameAndPassword : function() {
+        // Both have 6 args, so use types.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_promptUsernameAndPassword.apply(this, arguments);
+        return this.nsIAuthPrompt_promptUsernameAndPassword.apply(this, arguments);
+    },
+
+    promptPassword : function() {
+        // Both have 5 args, so use types.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_promptPassword.apply(this, arguments);
+        return this.nsIAuthPrompt_promptPassword.apply(this, arguments);
+    },
+
+
+    /* ----------  nsIPrompt  ---------- */
+
+
+    alert : function (title, text) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Alert");
+
+        let args = {
+            promptType: "alert",
+            title:      title,
+            text:       text,
+        };
+
+        this.openPrompt(args);
+    },
+
+    alertCheck : function (title, text, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Alert");
+
+        let args = {
+            promptType: "alertCheck",
+            title:      title,
+            text:       text,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+        };
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+    },
+
+    confirm : function (title, text) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Confirm");
+
+        let args = {
+            promptType: "confirm",
+            title:      title,
+            text:       text,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        return args.ok;
+    },
+
+    confirmCheck : function (title, text, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("ConfirmCheck");
+
+        let args = {
+            promptType: "confirmCheck",
+            title:      title,
+            text:       text,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+
+        // Did user click Ok or Cancel?
+        return args.ok;
+    },
+
+    confirmEx : function (title, text, flags, button0, button1, button2,
+                          checkLabel, checkValue) {
+
+        if (!title)
+            title = PromptUtils.getLocalizedString("Confirm");
+
+        let args = {
+            promptType:  "confirmEx",
+            title:       title,
+            text:        text,
+            checkLabel:  checkLabel,
+            checked:     checkValue.value,
+            ok:          false,
+            buttonNumClicked: 1,
+        };
+
+        let [label0, label1, label2, defaultButtonNum, isDelayEnabled] =
+            PromptUtils.confirmExHelper(flags, button0, button1, button2);
+
+        args.defaultButtonNum = defaultButtonNum;
+        args.enableDelay = isDelayEnabled;
+
+        if (label0) {
+            args.button0Label = label0;
+            if (label1) {
+                args.button1Label = label1;
+                if (label2) {
+                    args.button2Label = label2;
+                }
+            }
+        }
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+
+        // Get the number of the button the user clicked.
+        return args.buttonNumClicked;
+    },
+
+    nsIPrompt_prompt : function (title, text, value, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Prompt");
+
+        let args = {
+            promptType: "prompt",
+            title:      title,
+            text:       text,
+            value:      value.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            value.value      = args.value;
+        }
+
+        return ok;
+    },
+
+    nsIPrompt_promptUsernameAndPassword : function (title, text, user, pass, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("PromptUsernameAndPassword2");
+
+        let args = {
+            promptType: "promptUserAndPass",
+            title:      title,
+            text:       text,
+            user:       user.value,
+            pass:       pass.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            user.value       = args.user;
+            pass.value       = args.pass;
+        }
+
+        return ok;
+    },
+
+    nsIPrompt_promptPassword : function (title, text, pass, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("PromptPassword2");
+
+        let args = {
+            promptType: "promptPassword",
+            title:      title,
+            text:       text,
+            pass:       pass.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        }
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            pass.value       = args.pass;
+        }
+
+        return ok;
+    },
+
+    select : function (title, text, count, list, selected) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Select");
+
+        let args = {
+            promptType: "select",
+            title:      title,
+            text:       text,
+            list:       list,
+            selected:   -1,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok)
+            selected.value = args.selected;
+
+        return ok;
+    },
+
+
+    /* ----------  nsIAuthPrompt  ---------- */
+
+
+    nsIAuthPrompt_prompt : function (title, text, passwordRealm, savePassword, defaultText, result) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        if (defaultText)
+            result.value = defaultText;
+        return this.nsIPrompt_prompt(title, text, result, null, {});
+    },
+
+    nsIAuthPrompt_promptUsernameAndPassword : function (title, text, passwordRealm, savePassword, user, pass) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        return this.nsIPrompt_promptUsernameAndPassword(title, text, user, pass, null, {});
+    },
+
+    nsIAuthPrompt_promptPassword : function (title, text, passwordRealm, savePassword, pass) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        return this.nsIPrompt_promptPassword(title, text, pass, null, {});
+    },
+
+
+    /* ----------  nsIAuthPrompt2  ---------- */
+
+
+    promptAuth : function (channel, level, authInfo, checkLabel, checkValue) {
+        let message = PromptUtils.makeAuthMessage(channel, authInfo);
+
+        let [username, password] = PromptUtils.getAuthInfo(authInfo);
+
+        let userParam = { value: username };
+        let passParam = { value: password };
+
+        let ok;
+        if (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)
+            ok = this.nsIPrompt_promptPassword(null, message, passParam, checkLabel, checkValue);
+        else
+            ok = this.nsIPrompt_promptUsernameAndPassword(null, message, userParam, passParam, checkLabel, checkValue);
+
+        if (ok)
+            PromptUtils.setAuthInfo(authInfo, userParam.value, passParam.value);
+        return ok;
+    },
+
+    asyncPromptAuth : function (channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        // Nothing calls this directly; netwerk ends up going through
+        // nsIPromptService::GetPrompt, which delegates to login manager.
+        // Login manger handles the async bits itself, and only calls out
+        // promptAuth, never asyncPromptAuth.
+        //
+        // Bug 565582 will change this.
+        throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+    },
+
+    /* ----------  nsIWritablePropertyBag2 ---------- */
+
+    // Only a partial implementation, for one specific use case...
+
+    setPropertyAsBool : function(name, value) {
+        if (name == "allowTabModal")
+            this.allowTabModal = value;
+        else
+            throw Cr.NS_ERROR_ILLEGAL_VALUE;
+    },
+};
+
+
+function AuthPromptAdapterFactory() {
+}
+AuthPromptAdapterFactory.prototype = {
+    classID          : Components.ID("{6e134924-6c3a-4d86-81ac-69432dd971dc}"),
+    QueryInterface   : XPCOMUtils.generateQI([Ci.nsIAuthPromptAdapterFactory]),
+
+    /* ----------  nsIAuthPromptAdapterFactory ---------- */
+
+    createAdapter : function (oldPrompter) {
+        return new AuthPromptAdapter(oldPrompter);
+    }
+};
+
+
+// Takes an nsIAuthPrompt implementation, wraps it with a nsIAuthPrompt2 shell.
+function AuthPromptAdapter(oldPrompter) {
+    this.oldPrompter = oldPrompter;
+}
+AuthPromptAdapter.prototype = {
+    QueryInterface : XPCOMUtils.generateQI([Ci.nsIAuthPrompt2]),
+    oldPrompter    : null,
+
+    /* ----------  nsIAuthPrompt2 ---------- */
+
+    promptAuth : function (channel, level, authInfo, checkLabel, checkValue) {
+        let message = PromptUtils.makeAuthMessage(channel, authInfo);
+
+        let [username, password] = PromptUtils.getAuthInfo(authInfo);
+        let userParam = { value: username };
+        let passParam = { value: password };
+
+        let [host, realm]  = PromptUtils.getAuthTarget(channel, authInfo);
+        let authTarget = host + " (" + realm + ")";
+
+        let ok;
+        if (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)
+            ok = this.oldPrompter.promptPassword(null, message, authTarget, Ci.nsIAuthPrompt.SAVE_PASSWORD_PERMANENTLY, passParam);
+        else
+            ok = this.oldPrompter.promptUsernameAndPassword(null, message, authTarget, Ci.nsIAuthPrompt.SAVE_PASSWORD_PERMANENTLY, userParam, passParam);
+
+        if (ok)
+            PromptUtils.setAuthInfo(authInfo, userParam.value, passParam.value);
+        return ok;
+    },
+
+    asyncPromptAuth : function (channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+    }
+};
+
+
+// Wrapper using the old embedding contractID, since it's already common in
+// the addon ecosystem.
+function EmbedPrompter() {
+}
+EmbedPrompter.prototype = new Prompter();
+EmbedPrompter.prototype.classID          = Components.ID("{7ad1b327-6dfa-46ec-9234-f2a620ea7e00}");
+
+var component = [Prompter, EmbedPrompter, AuthPromptAdapterFactory];
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory(component);
diff --git a/toolkit/components/prompts/src/nsPrompter.manifest b/toolkit/components/prompts/src/nsPrompter.manifest
new file mode 100644
index 0000000000..582f6bf597
--- /dev/null
+++ b/toolkit/components/prompts/src/nsPrompter.manifest
@@ -0,0 +1,6 @@
+component {1c978d25-b37f-43a8-a2d6-0c7a239ead87} nsPrompter.js
+contract @mozilla.org/prompter;1 {1c978d25-b37f-43a8-a2d6-0c7a239ead87}
+component {6e134924-6c3a-4d86-81ac-69432dd971dc} nsPrompter.js
+contract @mozilla.org/network/authprompt-adapter-factory;1 {6e134924-6c3a-4d86-81ac-69432dd971dc}
+component {7ad1b327-6dfa-46ec-9234-f2a620ea7e00} nsPrompter.js
+contract @mozilla.org/embedcomp/prompt-service;1 {7ad1b327-6dfa-46ec-9234-f2a620ea7e00}
diff --git a/toolkit/components/prompts/test/.eslintrc.js b/toolkit/components/prompts/test/.eslintrc.js
new file mode 100644
index 0000000000..3c788d6d68
--- /dev/null
+++ b/toolkit/components/prompts/test/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  "extends": [
+    "../../../../testing/mochitest/mochitest.eslintrc.js"
+  ]
+};
diff --git a/toolkit/components/prompts/test/bug619644_inner.html b/toolkit/components/prompts/test/bug619644_inner.html
new file mode 100644
index 0000000000..f929c56499
--- /dev/null
+++ b/toolkit/components/prompts/test/bug619644_inner.html
@@ -0,0 +1,7 @@
+<head></head><body><p>Original content</p>
+<script>
+    window.opener.postMessage("", "*");
+    confirm ("Message");
+    document.write ("Extra content");
+    window.opener.postMessage(document.documentElement.innerHTML, "*");
+</script></body>
diff --git a/toolkit/components/prompts/test/bug625187_iframe.html b/toolkit/components/prompts/test/bug625187_iframe.html
new file mode 100644
index 0000000000..740d59a617
--- /dev/null
+++ b/toolkit/components/prompts/test/bug625187_iframe.html
@@ -0,0 +1,16 @@
+<html>
+<head>
+  <title>Test for Bug 625187 - the iframe</title>
+<!--
+   - Any copyright is dedicated to the Public Domain.
+   - http://creativecommons.org/publicdomain/zero/1.0/
+   -
+   - Contributor(s):
+   -   Mihai Sucan <mihai.sucan@gmail.com>
+   -->
+</head>
+<body>
+<p><button id="btn1" onclick="alert('hello world 2')">Button 2</button></p>
+<p><button id="btn2" onclick="window.parent.alert('hello world 3')">Button 3</button></p>
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/chromeScript.js b/toolkit/components/prompts/test/chromeScript.js
new file mode 100644
index 0000000000..7b2d371007
--- /dev/null
+++ b/toolkit/components/prompts/test/chromeScript.js
@@ -0,0 +1,241 @@
+const { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
+Components.utils.import("resource://gre/modules/Services.jsm");
+Components.utils.import("resource://gre/modules/Timer.jsm");
+
+// Define these to make EventUtils happy.
+let window = this;
+let parent = {};
+
+let EventUtils = {};
+Services.scriptloader.loadSubScript(
+  "chrome://mochikit/content/tests/SimpleTest/EventUtils.js",
+  EventUtils
+);
+
+addMessageListener("handlePrompt", msg => {
+  handlePromptWhenItAppears(msg.action, msg.isTabModal, msg.isSelect);
+});
+
+function handlePromptWhenItAppears(action, isTabModal, isSelect) {
+  let interval = setInterval(() => {
+    if (handlePrompt(action, isTabModal, isSelect)) {
+      clearInterval(interval);
+    }
+  }, 100);
+}
+
+function handlePrompt(action, isTabModal, isSelect) {
+  let ui;
+
+  if (isTabModal) {
+    let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
+    let gBrowser = browserWin.gBrowser;
+    let promptManager = gBrowser.getTabModalPromptBox(gBrowser.selectedBrowser);
+    let prompts = promptManager.listPrompts();
+    if (!prompts.length) {
+      return false; // try again in a bit
+    }
+
+    ui = prompts[0].Dialog.ui;
+  } else {
+    let doc = getDialogDoc();
+    if (!doc) {
+      return false; // try again in a bit
+    }
+
+    if (isSelect)
+      ui = doc;
+    else
+      ui = doc.defaultView.Dialog.ui;
+
+  }
+
+  let promptState;
+  if (isSelect) {
+    promptState = getSelectState(ui);
+    dismissSelect(ui, action);
+  } else {
+    promptState = getPromptState(ui);
+    dismissPrompt(ui, action);
+  }
+  sendAsyncMessage("promptHandled", { promptState: promptState });
+  return true;
+}
+
+function getSelectState(ui) {
+  let listbox = ui.getElementById("list");
+
+  let state = {};
+  state.msg = ui.getElementById("info.txt").value;
+  state.selectedIndex = listbox.selectedIndex;
+  state.items = [];
+
+  for (let i = 0; i < listbox.itemCount; i++) {
+    let item = listbox.getItemAtIndex(i).label;
+    state.items.push(item);
+  }
+
+  return state;
+}
+
+function getPromptState(ui) {
+  let state = {};
+  state.msg         = ui.infoBody.textContent;
+  state.titleHidden = ui.infoTitle.getAttribute("hidden") == "true";
+  state.textHidden  = ui.loginContainer.hidden;
+  state.passHidden  = ui.password1Container.hidden;
+  state.checkHidden = ui.checkboxContainer.hidden;
+  state.checkMsg    = ui.checkbox.label;
+  state.checked     = ui.checkbox.checked;
+  // tab-modal prompts don't have an infoIcon
+  state.iconClass   = ui.infoIcon ? ui.infoIcon.className : null;
+  state.textValue   = ui.loginTextbox.getAttribute("value");
+  state.passValue   = ui.password1Textbox.getAttribute("value");
+
+  state.butt0Label  = ui.button0.label;
+  state.butt1Label  = ui.button1.label;
+  state.butt2Label  = ui.button2.label;
+
+  state.butt0Disabled = ui.button0.disabled;
+  state.butt1Disabled = ui.button1.disabled;
+  state.butt2Disabled = ui.button2.disabled;
+
+  function isDefaultButton(b) {
+      return (b.hasAttribute("default") &&
+              b.getAttribute("default") == "true");
+  }
+  state.defButton0 = isDefaultButton(ui.button0);
+  state.defButton1 = isDefaultButton(ui.button1);
+  state.defButton2 = isDefaultButton(ui.button2);
+
+  let fm = Cc["@mozilla.org/focus-manager;1"].
+           getService(Ci.nsIFocusManager);
+  let e = fm.focusedElement;
+
+  if (e == null) {
+    state.focused = null;
+  } else if (ui.button0.isSameNode(e)) {
+    state.focused = "button0";
+  } else if (ui.button1.isSameNode(e)) {
+    state.focused = "button1";
+  } else if (ui.button2.isSameNode(e)) {
+    state.focused = "button2";
+  } else if (ui.loginTextbox.inputField.isSameNode(e)) {
+    state.focused = "textField";
+  } else if (ui.password1Textbox.inputField.isSameNode(e)) {
+    state.focused = "passField";
+  } else if (ui.infoBody.isSameNode(e)) {
+    state.focused = "infoBody";
+  } else {
+    state.focused = "ERROR: unexpected element focused: " + (e ? e.localName : "<null>");
+  }
+
+  return state;
+}
+
+function dismissSelect(ui, action) {
+  let dialog = ui.getElementsByTagName("dialog")[0];
+  let listbox = ui.getElementById("list");
+
+  if (action.selectItem) {
+      listbox.selectedIndex = 1;
+  }
+
+  if (action.buttonClick == "ok") {
+      dialog.acceptDialog();
+  } else if (action.buttonClick == "cancel") {
+      dialog.cancelDialog();
+  }
+}
+
+function dismissPrompt(ui, action) {
+  if (action.setCheckbox) {
+    // Annoyingly, the prompt code is driven by oncommand.
+    ui.checkbox.setChecked(true);
+    ui.checkbox.doCommand();
+  }
+
+  if ("textField" in action) {
+    ui.loginTextbox.setAttribute("value", action.textField);
+  }
+
+  if ("passField" in action) {
+    ui.password1Textbox.setAttribute("value", action.passField);
+  }
+
+  switch (action.buttonClick) {
+    case "ok":
+    case 0:
+      ui.button0.click();
+      break;
+    case "cancel":
+    case 1:
+      ui.button1.click();
+      break;
+    case 2:
+      ui.button2.click();
+      break;
+    case "ESC":
+      // XXX This is assuming tab-modal.
+      let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
+      EventUtils.synthesizeKey("KEY_Escape", { code: "Escape" }, browserWin);
+      break;
+    case "pollOK":
+      // Buttons are disabled at the moment, poll until they're reenabled.
+      // Can't use setInterval here, because the window's in a modal state
+      // and thus DOM events are suppressed.
+      let interval = setInterval(() => {
+        if (ui.button0.disabled)
+          return;
+        ui.button0.click();
+        clearInterval(interval);
+      }, 100);
+      break;
+
+    default:
+      throw "dismissPrompt action listed unknown button.";
+  }
+}
+
+function getDialogDoc() {
+  // Trudge through all the open windows, until we find the one
+  // that has either commonDialog.xul or selectDialog.xul loaded.
+  var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
+           getService(Ci.nsIWindowMediator);
+  // var enumerator = wm.getEnumerator("navigator:browser");
+  var enumerator = wm.getXULWindowEnumerator(null);
+
+  while (enumerator.hasMoreElements()) {
+    var win = enumerator.getNext();
+    var windowDocShell = win.QueryInterface(Ci.nsIXULWindow).docShell;
+
+    var containedDocShells = windowDocShell.getDocShellEnumerator(
+                                      Ci.nsIDocShellTreeItem.typeChrome,
+                                      Ci.nsIDocShell.ENUMERATE_FORWARDS);
+    while (containedDocShells.hasMoreElements()) {
+        // Get the corresponding document for this docshell
+        var childDocShell = containedDocShells.getNext();
+        // We don't want it if it's not done loading.
+        if (childDocShell.busyFlags != Ci.nsIDocShell.BUSY_FLAGS_NONE)
+          continue;
+        var childDoc = childDocShell.QueryInterface(Ci.nsIDocShell)
+                                    .contentViewer
+                                    .DOMDocument;
+
+        if (childDoc.location.href != "chrome://global/content/commonDialog.xul" &&
+            childDoc.location.href != "chrome://global/content/selectDialog.xul")
+          continue;
+
+        // We're expecting the dialog to be focused. If it's not yet, try later.
+        // (In particular, this is needed on Linux to reliably check focused elements.)
+        let fm = Cc["@mozilla.org/focus-manager;1"].
+                 getService(Ci.nsIFocusManager);
+        if (fm.focusedWindow != childDoc.defaultView)
+          continue;
+
+        return childDoc;
+    }
+  }
+
+  return null;
+}
diff --git a/toolkit/components/prompts/test/mochitest.ini b/toolkit/components/prompts/test/mochitest.ini
new file mode 100644
index 0000000000..7f87650d6b
--- /dev/null
+++ b/toolkit/components/prompts/test/mochitest.ini
@@ -0,0 +1,19 @@
+[DEFAULT]
+support-files =
+  ../../passwordmgr/test/authenticate.sjs
+  bug619644_inner.html
+  bug625187_iframe.html
+  prompt_common.js
+  chromeScript.js
+
+[test_bug619644.html]
+[test_bug620145.html]
+skip-if = toolkit == 'android' #TIMED_OUT
+[test_subresources_prompts.html]
+skip-if = toolkit == 'android'
+[test_dom_prompts.html]
+skip-if = toolkit == 'android' #android: bug 1267092
+[test_modal_prompts.html]
+skip-if = toolkit == 'android' || (os == 'linux' && (debug || asan)) #android: TIMED_OUT (For Linux : 950636)
+[test_modal_select.html]
+skip-if = toolkit == 'android' #android: TIMED_OUT
diff --git a/toolkit/components/prompts/test/prompt_common.js b/toolkit/components/prompts/test/prompt_common.js
new file mode 100644
index 0000000000..e3a69b3474
--- /dev/null
+++ b/toolkit/components/prompts/test/prompt_common.js
@@ -0,0 +1,158 @@
+const Ci = SpecialPowers.Ci;
+const Cc = SpecialPowers.Cc;
+ok(Ci != null, "Access Ci");
+ok(Cc != null, "Access Cc");
+
+function hasTabModalPrompts() {
+  var prefName = "prompts.tab_modal.enabled";
+  var Services = SpecialPowers.Cu.import("resource://gre/modules/Services.jsm").Services;
+  return Services.prefs.getPrefType(prefName) == Services.prefs.PREF_BOOL &&
+         Services.prefs.getBoolPref(prefName);
+}
+var isTabModal = hasTabModalPrompts();
+var isSelectDialog = false;
+var isOSX = ("nsILocalFileMac" in SpecialPowers.Ci);
+var isE10S = SpecialPowers.Services.appinfo.processType == 2;
+
+
+var gChromeScript = SpecialPowers.loadChromeScript(SimpleTest.getTestFileURL("chromeScript.js"));
+SimpleTest.registerCleanupFunction(() => gChromeScript.destroy());
+
+function onloadPromiseFor(id) {
+  var iframe = document.getElementById(id);
+  return new Promise(resolve => {
+    iframe.addEventListener("load", function onload(e) {
+      iframe.removeEventListener("load", onload);
+      resolve(true);
+    });
+  });
+}
+
+function handlePrompt(state, action) {
+  return new Promise(resolve => {
+    gChromeScript.addMessageListener("promptHandled", function handled(msg) {
+      gChromeScript.removeMessageListener("promptHandled", handled);
+      checkPromptState(msg.promptState, state);
+      resolve(true);
+    });
+    gChromeScript.sendAsyncMessage("handlePrompt", { action: action, isTabModal: isTabModal});
+  });
+}
+
+function checkPromptState(promptState, expectedState) {
+    // XXX check title? OS X has title in content
+    is(promptState.msg,         expectedState.msg,         "Checking expected message");
+    if (isOSX && !isTabModal)
+      ok(!promptState.titleHidden, "Checking title always visible on OS X");
+    else
+      is(promptState.titleHidden, expectedState.titleHidden, "Checking title visibility");
+    is(promptState.textHidden,  expectedState.textHidden,  "Checking textbox visibility");
+    is(promptState.passHidden,  expectedState.passHidden,  "Checking passbox visibility");
+    is(promptState.checkHidden, expectedState.checkHidden, "Checking checkbox visibility");
+    is(promptState.checkMsg,    expectedState.checkMsg,    "Checking checkbox label");
+    is(promptState.checked,     expectedState.checked,     "Checking checkbox checked");
+    if (!isTabModal)
+      is(promptState.iconClass, "spaced " + expectedState.iconClass, "Checking expected icon CSS class");
+    is(promptState.textValue, expectedState.textValue, "Checking textbox value");
+    is(promptState.passValue, expectedState.passValue, "Checking passbox value");
+
+    if (expectedState.butt0Label) {
+        is(promptState.butt0Label, expectedState.butt0Label, "Checking accept-button label");
+    }
+    if (expectedState.butt1Label) {
+        is(promptState.butt1Label, expectedState.butt1Label, "Checking cancel-button label");
+    }
+    if (expectedState.butt2Label) {
+        is(promptState.butt2Label, expectedState.butt2Label, "Checking extra1-button label");
+    }
+
+    // For prompts with a time-delay button.
+    if (expectedState.butt0Disabled) {
+        is(promptState.butt0Disabled, true,  "Checking accept-button is disabled");
+        is(promptState.butt1Disabled, false, "Checking cancel-button isn't disabled");
+    }
+
+    is(promptState.defButton0, expectedState.defButton == "button0", "checking button0 default");
+    is(promptState.defButton1, expectedState.defButton == "button1", "checking button1 default");
+    is(promptState.defButton2, expectedState.defButton == "button2", "checking button2 default");
+
+    if (isOSX && expectedState.focused && expectedState.focused.startsWith("button")) {
+        is(promptState.focused, "infoBody", "buttons don't focus on OS X, but infoBody does instead");
+    } else {
+        is(promptState.focused, expectedState.focused, "Checking focused element");
+    }
+}
+
+function checkEchoedAuthInfo(expectedState, doc) {
+    // The server echos back the HTTP auth info it received.
+    let username = doc.getElementById("user").textContent;
+    let password = doc.getElementById("pass").textContent;
+    let authok = doc.getElementById("ok").textContent;
+
+    is(authok, "PASS", "Checking for successful authentication");
+    is(username, expectedState.user, "Checking for echoed username");
+    is(password, expectedState.pass, "Checking for echoed password");
+}
+
+/**
+ * Create a Proxy to relay method calls on an nsIAuthPrompt[2] prompter to a chrome script which can
+ * perform the calls in the parent. Out and inout params will be copied back from the parent to
+ * content.
+ *
+ * @param chromeScript The reference to the chrome script that will listen to `proxyPrompter`
+ *                     messages in the parent and call the `methodName` method.
+ *                     The return value from the message handler should be an object with properties:
+ * `rv` - containing the return value of the method call.
+ * `args` - containing the array of arguments passed to the method since out or inout ones could have
+ *          been modified.
+ */
+function PrompterProxy(chromeScript) {
+  return new Proxy({}, {
+    get(target, prop, receiver) {
+      return (...args) => {
+        // Array of indices of out/inout params to copy from the parent back to the caller.
+        let outParams = [];
+
+        switch (prop) {
+          case "prompt": {
+            outParams = [/* result */ 5];
+            break;
+          }
+          case "promptAuth": {
+            outParams = [];
+            break;
+          }
+          case "promptPassword": {
+            outParams = [/* pwd */ 4];
+            break;
+          }
+          case "promptUsernameAndPassword": {
+            outParams = [/* user */ 4, /* pwd */ 5];
+            break;
+          }
+          default: {
+            throw new Error("Unknown nsIAuthPrompt method");
+          }
+        }
+
+        let result = chromeScript.sendSyncMessage("proxyPrompter", {
+          args,
+          methodName: prop,
+        })[0][0];
+
+        for (let outParam of outParams) {
+          // Copy the out or inout param value over the original
+          args[outParam].value = result.args[outParam].value;
+        }
+
+        if (prop == "promptAuth") {
+          args[2].username = result.args[2].username;
+          args[2].password = result.args[2].password;
+          args[2].domain = result.args[2].domain;
+        }
+
+        return result.rv;
+      };
+    },
+  });
+}
diff --git a/toolkit/components/prompts/test/test_bug619644.html b/toolkit/components/prompts/test/test_bug619644.html
new file mode 100644
index 0000000000..9f61eb18bd
--- /dev/null
+++ b/toolkit/components/prompts/test/test_bug619644.html
@@ -0,0 +1,76 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=619644
+-->
+<head>
+  <title>Test for Bug 619644</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=619644">Mozilla Bug 619644</a>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+// This is a little yucky, but it works
+// The contents of bug619644_inner.html
+const expectedFinalDoc =
+"<head><\/head><body><p>Original content<\/p>\n<script>\n    window.opener.postMessage(\"\", \"*\");\n    confirm (\"Message\");\n    document.write (\"Extra content\");\n    window.opener.postMessage(document.documentElement.innerHTML, \"*\");\n<\/script>Extra content<\/body>";
+
+if (!isTabModal) {
+  todo(false, "Test disabled when tab modal prompts are not enabled.");
+} else {
+  inittest();
+}
+
+var promptDone;
+
+function inittest() {
+  window.addEventListener("message", runtest, false);
+  window.open("bug619644_inner.html", "619644");
+
+  SimpleTest.waitForExplicitFinish();
+}
+
+function runtest(e) {
+  window.removeEventListener("message", runtest, false);
+  window.addEventListener("message", checktest, false);
+
+  let state = {
+      msg         : "Message",
+      iconClass   : "question-icon",
+      titleHidden : true,
+      textHidden  : true,
+      passHidden  : true,
+      checkHidden : true,
+      textValue   : "",
+      passValue   : "",
+      checkMsg    : "",
+      checked     : false,
+      focused     : "button0",
+      defButton   : "button0",
+  };
+  let action = {
+      buttonClick: "ESC",
+  };
+
+  promptDone = handlePrompt(state, action);
+}
+
+function checktest(e) {
+  is(e.data, expectedFinalDoc, "ESC press should not abort document load");
+  e.source.close();
+  promptDone.then(endtest);
+}
+
+function endtest() {
+  info("Ending test");
+  SimpleTest.finish();
+}
+</script>
+</pre>
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/test_bug620145.html b/toolkit/components/prompts/test/test_bug620145.html
new file mode 100644
index 0000000000..bb4470259d
--- /dev/null
+++ b/toolkit/components/prompts/test/test_bug620145.html
@@ -0,0 +1,105 @@
+<html>
+<head>
+  <title>Test for Bug 620145</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=620145">Mozilla Bug 620145</a>
+<pre id="test">
+</pre>
+
+<div id="text" style="max-width: 100px" onmouseup="openAlert()">
+  This is a short piece of text used for testing that mouse selecting is
+  stopped when an alert appears.
+</div>
+<div id="text2" style="max-width: 100px">
+  This is another short piece of text used for testing that mouse selecting is
+  stopped when an alert appears.
+</div>
+<button id="button" onmouseup="openAlert()">Button</button>
+
+<script class="testbody" type="text/javascript">
+var selectionTest = false;
+
+function openAlert() {
+  info("opening alert...");
+  alert("hello!");
+  info("...alert done.");
+}
+
+add_task(function* runTest() {
+  var state, action;
+  // The <button> in this test's HTML opens a prompt when clicked.
+  // Here we send the events to simulate clicking it.
+  info("isTabModal? " + isTabModal);
+  selectionTest = isTabModal;
+
+  state = {
+    msg         : "hello!",
+    iconClass   : "alert-icon",
+    titleHidden : true,
+    textHidden  : true,
+    passHidden  : true,
+    checkHidden : true,
+    textValue   : "",
+    passValue   : "",
+    checkMsg    : "",
+    checked     : false,
+    focused     : "button0",
+    defButton   : "button0",
+  };
+  action = {
+    buttonClick: "ok",
+  };
+
+  promptDone = handlePrompt(state, action);
+
+  var button = $("button");
+  dispatchMouseEvent(button, "mousedown");
+  dispatchMouseEvent(button, "mouseup");
+  // alert appears at this point, to be closed by the chrome script.
+
+  yield promptDone;
+  checkSelection();
+
+  // using same state and action.
+  promptDone = handlePrompt(state, action);
+
+  var text = $("text");
+  dispatchMouseEvent(text, "mousedown");
+  dispatchMouseEvent(text, "mouseup");
+  // alert appears at this point, to be closed by the chrome script.
+
+  yield promptDone;
+  checkSelection();
+});
+
+function dispatchMouseEvent(target, type)
+{
+  var win = target.ownerDocument.defaultView;
+  e = document.createEvent("MouseEvent");
+  e.initEvent(type, false, false, win, 0, 1, 1, 1, 1,
+              false, false, false, false, 0, null);
+  var utils = SpecialPowers.getDOMWindowUtils(win);
+  utils.dispatchDOMEventViaPresShell(target, e, true);
+  ok(true, type + " sent to " + target.id);
+}
+
+function checkSelection()
+{
+  if (!selectionTest) {
+    todo(false, "Selection test is disabled when tab modal prompts are not enabled.");
+  } else {
+    synthesizeMouse($("text"), 25, 55, { type: "mousemove" });
+    is(window.getSelection().toString(), "", "selection not made");
+  }
+}
+</script>
+
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/test_dom_prompts.html b/toolkit/components/prompts/test/test_dom_prompts.html
new file mode 100644
index 0000000000..413ed8fd51
--- /dev/null
+++ b/toolkit/components/prompts/test/test_dom_prompts.html
@@ -0,0 +1,208 @@
+<html>
+<head>
+  <title>Test for DOM prompts</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test">
+</pre>
+
+<script class="testbody" type="text/javascript">
+var rv;
+var state, action;
+
+add_task(function* test_alert_ok() {
+    info("Starting test: Alert");
+    state = {
+        msg         : "This is the alert text.",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    alert("This is the alert text.");
+
+    yield promptDone;
+});
+
+// bug 861605 made the arguments to alert/confirm optional (prompt already was).
+add_task(function* test_alert_noargs() {
+    info("Starting test: Alert with no args");
+    state = {
+        msg         : "",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    try {
+        alert();
+        ok(true, "alert() without arguments should not throw!");
+    } catch (e) {
+        ok(false, "alert() without arguments should not throw!");
+    }
+
+    yield promptDone;
+});
+
+
+add_task(function* test_confirm_ok() {
+    info("Starting test: Confirm");
+    state = {
+        msg         : "This is the confirm text.",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    rv = confirm("This is the confirm text.");
+    is(rv, true, "check prompt return value");
+
+    yield promptDone;
+});
+
+// bug 861605 made the arguments to alert/confirm optional (prompt already was).
+add_task(function* test_confirm_noargs() {
+    info("Starting test: Confirm with no args");
+    state = {
+        msg         : "",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    try {
+        rv = confirm();
+        ok(true, "confirm() without arguments should not throw!");
+    } catch (e) {
+        ok(false, "confirm() without arguments should not throw!");
+    }
+    is(rv, true, "check prompt return value");
+
+    yield promptDone;
+});
+
+
+add_task(function* test_prompt_ok() {
+    info("Starting test: Prompt");
+    state = {
+        msg         : "This is the Prompt text.",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    rv = prompt("This is the Prompt text.");
+    is(rv, "", "check prompt return value");
+
+    yield promptDone;
+});
+
+// bug 861605 made the arguments to alert/confirm optional (prompt already was).
+add_task(function* test_prompt_noargs() {
+    info("Starting test: Prompt with no args");
+    state = {
+        msg         : "",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    try {
+        rv = prompt();
+        ok(true, "prompt() without arguments should not throw!");
+    } catch (e) {
+        ok(false, "prompt() without arguments should not throw!");
+    }
+    is(rv, "", "check prompt return value");
+
+    yield promptDone;
+});
+
+</script>
+
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/test_modal_prompts.html b/toolkit/components/prompts/test/test_modal_prompts.html
new file mode 100644
index 0000000000..42e6be52c3
--- /dev/null
+++ b/toolkit/components/prompts/test/test_modal_prompts.html
@@ -0,0 +1,1184 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Modal Prompts Test</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Prompter tests: modal prompts
+<p id="display"></p>
+
+<div id="content" style="display: none">
+  <iframe id="iframe"></iframe>
+</div>
+
+<pre id="test">
+<script class="testbody" type="text/javascript;version=1.8">
+
+function* runTests() {
+    const { NetUtil } = SpecialPowers.Cu.import('resource://gre/modules/NetUtil.jsm');
+    let state, action;
+    ok(true, "Running tests (isTabModal=" + isTabModal + ", usePromptService=" + usePromptService + ")");
+
+    let prompter, promptArgs;
+    if (usePromptService) {
+        prompter = Cc["@mozilla.org/embedcomp/prompt-service;1"].
+                   getService(Ci.nsIPromptService2);
+    } else {
+        prompter = Cc["@mozilla.org/prompter;1"].
+                   getService(Ci.nsIPromptFactory).
+                   getPrompt(window, Ci.nsIPrompt);
+        if (isTabModal) {
+            let bag = prompter.QueryInterface(Ci.nsIWritablePropertyBag2);
+            bag.setPropertyAsBool("allowTabModal", true);
+        }
+    }
+
+    let checkVal  = {};
+    let textVal   = {};
+    let passVal   = {};
+    let flags;
+    let isOK, clickedButton;
+
+    // =====
+    info("Starting test: Alert");
+    state = {
+        msg   : "This is the alert text.",
+        title : "TestTitle",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the alert text."];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    prompter.alert.apply(null, promptArgs);
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: AlertCheck (null checkbox label, so it's hidden)");
+    state = {
+        msg   : "This is the alertCheck text.",
+        title : "TestTitle",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the alertCheck text.", null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    prompter.alertCheck.apply(null, promptArgs);
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: AlertCheck");
+    state = {
+        msg   : "This is the alertCheck text.",
+        title : "TestTitle",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the alertCheck text.", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    prompter.alertCheck.apply(null, promptArgs);
+    is(checkVal.value, true, "checkbox was checked");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Confirm (ok)");
+    state = {
+        msg   : "This is the confirm text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the confirm text."];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirm.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Confirm (cancel)");
+    state = {
+        msg   : "This is the confirm text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "cancel",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the confirm text."];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirm.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmCheck (ok, null checkbox label)");
+    state = {
+        msg   : "This is the confirmCheck text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the confirmCheck text.", null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirmCheck.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmCheck (cancel, null checkbox label)");
+    state = {
+        msg   : "This is the confirmCheck text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "cancel",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    promptArgs = ["TestTitle", "This is the confirmCheck text.", null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirmCheck.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmCheck (ok)");
+    state = {
+        msg   : "This is the confirmCheck text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the confirmCheck text.", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirmCheck.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmCheck (cancel)");
+    state = {
+        msg   : "This is the confirmCheck text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "cancel",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the confirmCheck text.", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.confirmCheck.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (ok, no default text)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        textField   : "bacon",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value = "";
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(textVal.value, "bacon", "checking expected text value");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (ok, default text)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "kittens",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value = "kittens";
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(textVal.value, "kittens", "checking expected text value");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (cancel, default text)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "puppies",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "cancel",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value = "puppies";
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(textVal.value, "puppies", "checking expected text value");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (cancel, default text modified)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "puppies",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "cancel",
+        textField   : "bacon",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value = "puppies";
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(textVal.value, "puppies", "checking expected text value");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (ok, with checkbox)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "tribbles",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value  = "tribbles";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(textVal.value, "tribbles", "checking expected text value");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: Prompt (cancel, with checkbox)");
+    state = {
+        msg   : "This is the prompt text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "tribbles",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "cancel",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value  = "tribbles";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the prompt text.", textVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.prompt.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(textVal.value, "tribbles", "checking expected text value");
+    is(checkVal.value, false, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    // Just two tests for this, since password manager already tests this extensively.
+    info("Starting test: PromptUsernameAndPassword (ok)");
+    state = {
+        msg   : "This is the pUAP text.",
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "usr",
+        passValue   : "ssh",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+        setCheckbox: true,
+        textField: "newusr",
+        passField: "newssh",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value  = "usr";
+    passVal.value  = "ssh";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the pUAP text.", textVal, passVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.promptUsernameAndPassword.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(textVal.value, "newusr", "checking expected text value");
+    is(passVal.value, "newssh", "checking expected pass value");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: PromptUsernameAndPassword (cancel)");
+    state = {
+        msg   : "This is the pUAP text.",
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "usr",
+        passValue   : "ssh",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "cancel",
+        setCheckbox : true,
+        textField   : "newusr",
+        passField   : "newssh",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    textVal.value  = "usr";
+    passVal.value  = "ssh";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the pUAP text.", textVal, passVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.promptUsernameAndPassword.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(textVal.value, "usr", "checking expected text value");
+    is(passVal.value, "ssh", "checking expected pass value");
+    is(checkVal.value, false, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: PromptPassword (ok)");
+    state = {
+        msg   : "This is the promptPassword text.",
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "ssh",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "passField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        setCheckbox : true,
+        passField   : "newssh",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    passVal.value  = "ssh";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the promptPassword text.", passVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.promptPassword.apply(null, promptArgs);
+    is(isOK, true, "checked expected retval");
+    is(passVal.value, "newssh", "checking expected pass value");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: PromptPassword (cancel)");
+    state = {
+        msg   : "This is the promptPassword text.",
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "ssh",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "passField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "cancel",
+        setCheckbox : true,
+        passField   : "newssh",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    passVal.value  = "ssh";
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the promptPassword text.", passVal, "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    isOK = prompter.promptPassword.apply(null, promptArgs);
+    is(isOK, false, "checked expected retval");
+    is(passVal.value, "ssh", "checking expected pass value");
+    is(checkVal.value, false, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmEx (ok/cancel, ok)");
+    state = {
+        msg   : "This is the confirmEx text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+        butt0Label  : "OK",
+        butt1Label  : "Cancel",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    flags = Ci.nsIPromptService.STD_OK_CANCEL_BUTTONS;
+    promptArgs = ["TestTitle", "This is the confirmEx text.", flags, null, null, null, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    clickedButton = prompter.confirmEx.apply(null, promptArgs);
+    is(clickedButton, 0, "checked expected button num click");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmEx (yes/no, cancel)");
+    state = {
+        msg   : "This is the confirmEx text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+        butt0Label  : "Yes",
+        butt1Label  : "No",
+    };
+    action = {
+        buttonClick: "cancel",
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    flags = Ci.nsIPromptService.STD_YES_NO_BUTTONS;
+    promptArgs = ["TestTitle", "This is the confirmEx text.", flags, null, null, null, null, {}];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    clickedButton = prompter.confirmEx.apply(null, promptArgs);
+    is(clickedButton, 1, "checked expected button num click");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmEx (buttons from args, checkbox, ok)");
+    state = {
+        msg   : "This is the confirmEx text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+        butt0Label  : "butt0",
+        butt1Label  : "butt1",
+        butt2Label  : "butt2",
+    };
+    action = {
+        buttonClick: "ok",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    let b = Ci.nsIPromptService.BUTTON_TITLE_IS_STRING;
+    flags = b * Ci.nsIPromptService.BUTTON_POS_2 +
+            b * Ci.nsIPromptService.BUTTON_POS_1 +
+            b * Ci.nsIPromptService.BUTTON_POS_0;
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the confirmEx text.", flags,
+                  "butt0", "butt1", "butt2", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    clickedButton = prompter.confirmEx.apply(null, promptArgs);
+    is(clickedButton, 0, "checked expected button num click");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmEx (buttons from args, checkbox, cancel)");
+    state = {
+        msg   : "This is the confirmEx text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button1", // Default changed!
+        defButton   : "button1",
+        butt0Label  : "butt0",
+        butt1Label  : "butt1",
+        butt2Label  : "butt2",
+    };
+    action = {
+        buttonClick: "cancel",
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    b = Ci.nsIPromptService.BUTTON_TITLE_IS_STRING;
+    flags = b * Ci.nsIPromptService.BUTTON_POS_2 +
+            b * Ci.nsIPromptService.BUTTON_POS_1 +
+            b * Ci.nsIPromptService.BUTTON_POS_0;
+    flags ^= Ci.nsIPromptService.BUTTON_POS_1_DEFAULT;
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the confirmEx text.", flags,
+                  "butt0", "butt1", "butt2", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    clickedButton = prompter.confirmEx.apply(null, promptArgs);
+    is(clickedButton, 1, "checked expected button num click");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    info("Starting test: ConfirmEx (buttons from args, checkbox, button3)");
+    state = {
+        msg   : "This is the confirmEx text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "button2", // Default changed!
+        defButton   : "button2",
+        butt0Label  : "butt0",
+        butt1Label  : "butt1",
+        butt2Label  : "butt2",
+    };
+    action = {
+        buttonClick: 2,
+        setCheckbox: true,
+    };
+
+    promptDone = handlePrompt(state, action);
+
+    b = Ci.nsIPromptService.BUTTON_TITLE_IS_STRING;
+    flags = b * Ci.nsIPromptService.BUTTON_POS_2 +
+            b * Ci.nsIPromptService.BUTTON_POS_1 +
+            b * Ci.nsIPromptService.BUTTON_POS_0;
+    flags ^= Ci.nsIPromptService.BUTTON_POS_2_DEFAULT;
+    checkVal.value = false;
+    promptArgs = ["TestTitle", "This is the confirmEx text.", flags,
+                  "butt0", "butt1", "butt2", "Check me out!", checkVal];
+    if (usePromptService)
+        promptArgs.unshift(window);
+    clickedButton = prompter.confirmEx.apply(null, promptArgs);
+    is(clickedButton, 2, "checked expected button num click");
+    is(checkVal.value, true, "expected checkbox setting");
+
+    yield promptDone;
+
+    // =====
+    // (skipped for E10S and tabmodal tests: window is required)
+    info("Starting test: Alert, no window");
+    state = {
+        msg   : "This is the alert text.",
+        title : "TestTitle",
+        iconClass   : "alert-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : "button0",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick: "ok",
+    };
+    if (!isTabModal && !isE10S) {
+        promptDone = handlePrompt(state, action);
+
+        promptArgs = ["TestTitle", "This is the alert text."];
+        if (usePromptService)
+          promptArgs.unshift(null);
+        prompter.alert.apply(null, promptArgs);
+
+        yield promptDone;
+    }
+
+
+    // =====
+    // (skipped for tabmodal tests: delay not supported)
+    info("Starting test: ConfirmEx (delay, ok)");
+    state = {
+        msg   : "This is the confirmEx delay text.",
+        title : "TestTitle",
+        iconClass   : "question-icon",
+        titleHidden : true,
+        textHidden  : true,
+        passHidden  : true,
+        checkHidden : true,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "",
+        checked     : false,
+        focused     : null, // nothing focused until after delay fires
+        defButton   : "button0",
+        butt0Label  : "OK",
+        butt1Label  : "Cancel",
+        butt0Disabled: true,
+    };
+
+    // OS X doesn't initially focus the button, but rather the infoBody.
+    // The focus stays there even after the button-enable delay has fired.
+    if (isOSX)
+        state.focused = "infoBody";
+
+    action = {
+        buttonClick: "pollOK",
+    };
+    if (!isTabModal) {
+        promptDone = handlePrompt(state, action);
+
+        flags = (Ci.nsIPromptService.STD_OK_CANCEL_BUTTONS | Ci.nsIPromptService.BUTTON_DELAY_ENABLE);
+        promptArgs = ["TestTitle", "This is the confirmEx delay text.", flags, null, null, null, null, {}];
+        if (usePromptService)
+            promptArgs.unshift(window);
+        clickedButton = prompter.confirmEx.apply(null, promptArgs);
+        is(clickedButton, 0, "checked expected button num click");
+
+        yield promptDone;
+    }
+
+    // promptAuth already tested via password manager but do a few specific things here.
+    var channel = NetUtil.newChannel({
+        uri: "http://example.com",
+        loadUsingSystemPrincipal: true
+    });
+
+    var level = Ci.nsIAuthPrompt2.LEVEL_NONE;
+    var authinfo = {
+        username : "",
+        password : "",
+        domain   : "",
+        flags : Ci.nsIAuthInformation.AUTH_HOST,
+        authenticationScheme : "basic",
+        realm : ""
+    };
+
+
+    // =====
+    // (promptAuth is only accessible from the prompt service)
+    info("Starting test: promptAuth with empty realm");
+    state = {
+        msg : 'http://example.com is requesting your username and password.',
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        setCheckbox : true,
+        textField   : "username",
+        passField   : "password",
+    };
+    if (usePromptService) {
+        promptDone = handlePrompt(state, action);
+
+        checkVal.value = false;
+        isOK = prompter.promptAuth(window, channel, level, authinfo, "Check me out!", checkVal);
+        is(isOK, true, "checked expected retval");
+        is(authinfo.username, "username", "checking filled username");
+        is(authinfo.password, "password", "checking filled password");
+        is(checkVal.value, true, "expected checkbox setting");
+
+        yield promptDone;
+    }
+
+
+    // =====
+    // (promptAuth is only accessible from the prompt service)
+    info("Starting test: promptAuth with long realm");
+    state = {
+        msg : 'http://example.com is requesting your username and password. The site '  +
+              'says: \u201cabcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi ' +
+              'abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi '        +
+              'abcdefghi \u2026\u201d',
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        setCheckbox : true,
+        textField   : "username",
+        passField   : "password",
+    };
+    if (usePromptService) {
+        promptDone = handlePrompt(state, action);
+
+        checkVal.value = false;
+        var longString = "";
+        for (var i = 0; i < 20; i++)
+            longString += "abcdefghi "; // 200 chars long
+        authinfo.realm = longString;
+        authinfo.username = "";
+        authinfo.password = "";
+        isOK = prompter.promptAuth(window, channel, level, authinfo, "Check me out!", checkVal);
+        is(isOK, true, "checked expected retval");
+        is(authinfo.username, "username", "checking filled username");
+        is(authinfo.password, "password", "checking filled password");
+        is(checkVal.value, true, "expected checkbox setting");
+
+        yield promptDone;
+    }
+
+    info("Starting test: promptAuth for a cross-origin and a empty realm");
+    authinfo = {
+        username : "",
+        password : "",
+        domain   : "",
+        flags    : Ci. nsIAuthInformation.AUTH_HOST |
+                   Ci.nsIAuthInformation.CROSS_ORIGIN_SUB_RESOURCE,
+        authenticationScheme : "basic",
+        realm : ""
+    }
+    state = {
+        msg : 'http://example.com is requesting your username and password. ' +
+              'WARNING: Your password will not be sent to the website you are currently visiting!',
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        setCheckbox : false,
+        textField   : "username",
+        passField   : "password",
+    };
+    if (usePromptService) {
+        promptDone = handlePrompt(state, action);
+        checkVal.value = false;
+        isOK = prompter.promptAuth(window, channel, level, authinfo, "Check me out!", checkVal);
+        is(isOK, true, "checked expected retval");
+        is(authinfo.username, "username", "checking filled username");
+        is(authinfo.password, "password", "checking filled password");
+        is(checkVal.value, false, "expected checkbox setting");
+
+        yield promptDone;
+    }
+
+    info("Starting test: promptAuth for a cross-origin with realm");
+    authinfo = {
+        username : "",
+        password : "",
+        domain   : "",
+        flags : Ci. nsIAuthInformation.AUTH_HOST | Ci.nsIAuthInformation.CROSS_ORIGIN_SUB_RESOURCE,
+        authenticationScheme : "basic",
+        realm : "Something!!!"
+    }
+    state = {
+        msg : 'http://example.com is requesting your username and password. ' +
+              'WARNING: Your password will not be sent to the website you are currently visiting!',
+        title : "TestTitle",
+        iconClass   : "authentication-icon question-icon",
+        titleHidden : true,
+        textHidden  : false,
+        passHidden  : false,
+        checkHidden : false,
+        textValue   : "",
+        passValue   : "",
+        checkMsg    : "Check me out!",
+        checked     : false,
+        focused     : "textField",
+        defButton   : "button0",
+    };
+    action = {
+        buttonClick : "ok",
+        setCheckbox : false,
+        textField   : "username",
+        passField   : "password",
+    };
+    if (usePromptService) {
+        promptDone = handlePrompt(state, action);
+
+        checkVal.value = false;
+        isOK = prompter.promptAuth(window, channel, level, authinfo, "Check me out!", checkVal);
+        is(isOK, true, "checked expected retval");
+        is(authinfo.username, "username", "checking filled username");
+        is(authinfo.password, "password", "checking filled password");
+        is(checkVal.value, false, "expected checkbox setting");
+
+        yield promptDone;
+    }
+}
+
+let usePromptService;
+
+/*
+ * Run the body of the 3 times:
+ * - 1st pass: with window-modal prompts, using nsIPromptService
+ * - 2nd pass: still window-modal, using nsIPrompt directly (via nsIPromptFactory)
+ * - 3rd pass: with tab-modal prompts. Can't opt into these via * nsIPromptService.
+ */
+
+add_task(function* runPromptTests() {
+  info("Process type: " + SpecialPowers.Services.appinfo.processType);
+
+  isTabModal = false; usePromptService = true;
+  info("Running tests with: isTabModal=" + isTabModal + ", usePromptService=" + usePromptService);
+  yield* runTests();
+
+  isTabModal = false; usePromptService = false;
+  info("Running tests with: isTabModal=" + isTabModal + ", usePromptService=" + usePromptService);
+  yield* runTests();
+
+  if (SpecialPowers.getBoolPref("prompts.tab_modal.enabled")) {
+      isTabModal = true; usePromptService = false;
+      info("Running tests with: isTabModal=" + isTabModal + ", usePromptService=" + usePromptService);
+      yield* runTests();
+  }
+});
+
+</script>
+</pre>
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/test_modal_select.html b/toolkit/components/prompts/test/test_modal_select.html
new file mode 100644
index 0000000000..1e008d0f44
--- /dev/null
+++ b/toolkit/components/prompts/test/test_modal_select.html
@@ -0,0 +1,146 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Modal Prompts Test</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Prompter tests: modal prompts
+<p id="display"></p>
+
+<div id="content" style="display: none">
+  <iframe id="iframe"></iframe>
+</div>
+
+<pre id="test">
+<script class="testbody" type="text/javascript;version=1.8">
+
+let prompter = Cc["@mozilla.org/embedcomp/prompt-service;1"].
+               getService(Ci.nsIPromptService2);
+
+function checkPromptState(promptState, expectedState) {
+    // XXX check title? OS X has title in content
+    // XXX check focused element
+    // XXX check button labels?
+
+    is(promptState.msg, expectedState.msg, "Checking expected message");
+
+    // Compare listbox contents
+    is(promptState.items.length, expectedState.items.length, "Checking listbox length");
+
+    if (promptState.items.length)
+      is(promptState.selectedIndex, 0, "Checking selected index");
+
+    for (let i = 0; i < promptState.items; i++) {
+        is(promptState.items[i], expectedState.items[i], "Checking list item #" + i);
+    }
+}
+
+let selectVal = {};
+let isOK;
+let state, action;
+
+function handlePrompt(state, action) {
+  return new Promise(resolve => {
+    gChromeScript.addMessageListener("promptHandled", function handled(msg) {
+      gChromeScript.removeMessageListener("promptHandled", handled);
+      checkPromptState(msg.promptState, state);
+      resolve(true);
+    });
+    gChromeScript.sendAsyncMessage("handlePrompt", { action: action, isSelect: true});
+  });
+}
+
+
+// =====
+add_task(function* test_select_empty_list() {
+    info("Starting test: Select (0 items, ok)");
+    state = {
+        msg   : "This is the select text.",
+        title : "TestTitle",
+        items : [],
+    };
+    action = {
+        buttonClick: "ok",
+    };
+    promptDone = handlePrompt(state, action);
+    items = [];
+    selectVal.value = null; // outparam, just making sure.
+    isOK = prompter.select(window, "TestTitle", "This is the select text.", items.length, items, selectVal);
+    is(isOK, true, "checked expected retval");
+    is(selectVal.value, -1, "checking selected index");
+
+    yield promptDone;
+});
+
+// =====
+add_task(function* test_select_ok() {
+    info("Starting test: Select (3 items, ok)");
+    state = {
+        msg   : "This is the select text.",
+        title : "TestTitle",
+        items : ["one", "two", "three"],
+    };
+    action = {
+        buttonClick: "ok",
+    };
+    promptDone = handlePrompt(state, action);
+    items = ["one", "two", "three"];
+    selectVal.value = null; // outparam, just making sure.
+    isOK = prompter.select(window, "TestTitle", "This is the select text.", items.length, items, selectVal);
+    is(isOK, true, "checked expected retval");
+    is(selectVal.value, 0, "checking selected index");
+
+    yield promptDone;
+});
+
+// =====
+add_task(function* test_select_item() {
+    info("Starting test: Select (3 items, selection changed, ok)");
+    state = {
+        msg   : "This is the select text.",
+        title : "TestTitle",
+        items : ["one", "two", "three"],
+    };
+    action = {
+        buttonClick: "ok",
+        selectItem: 1,
+    };
+    promptDone = handlePrompt(state, action);
+    items = ["one", "two", "three"];
+    selectVal.value = null; // outparam, just making sure.
+    isOK = prompter.select(window, "TestTitle", "This is the select text.", items.length, items, selectVal);
+    is(isOK, true, "checked expected retval");
+    is(selectVal.value, 1, "checking selected index");
+
+    yield promptDone;
+});
+
+// =====
+add_task(function* test_cancel_prompt() {
+    info("Starting test: Select (3 items, cancel)");
+    state = {
+        msg   : "This is the select text.",
+        title : "TestTitle",
+        items : ["one", "two", "three"],
+    };
+    action = {
+        buttonClick: "cancel",
+    };
+    promptDone = handlePrompt(state, action);
+    items = ["one", "two", "three"];
+    selectVal.value = null; // outparam, just making sure.
+    isOK = prompter.select(window, "TestTitle", "This is the select text.", items.length, items, selectVal);
+    is(isOK, false, "checked expected retval");
+    is(selectVal.value, 0, "checking selected index");
+
+    yield promptDone;
+});
+
+</script>
+</pre>
+</body>
+</html>
diff --git a/toolkit/components/prompts/test/test_subresources_prompts.html b/toolkit/components/prompts/test/test_subresources_prompts.html
new file mode 100644
index 0000000000..241ce430f9
--- /dev/null
+++ b/toolkit/components/prompts/test/test_subresources_prompts.html
@@ -0,0 +1,202 @@
+<html>
+<head>
+  <title>Test subresources prompts (Bug 625187 and bug 1230462)</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="prompt_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
+<!--
+   - Any copyright is dedicated to the Public Domain.
+   - http://creativecommons.org/publicdomain/zero/1.0/
+   -
+   - Contributor(s):
+   -   Mihai Sucan <mihai.sucan@gmail.com>
+   -->
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=625187">Mozilla Bug 625187</a>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1230462">Mozilla Bug 1230462</a>
+
+<p><button onclick="alert('hello world')">Button</button></p>
+
+<iframe id="iframe_diff_origin" src="http://example.com/tests/toolkit/components/prompts/test/bug625187_iframe.html"></iframe>
+
+<iframe id="iframe_same_origin" src="bug625187_iframe.html"></iframe>
+
+<iframe id="iframe_prompt"></iframe>
+
+<pre id="test"></pre>
+
+<script class="testbody" type="text/javascript">
+var iframe1Loaded = onloadPromiseFor("iframe_diff_origin");
+var iframe2Loaded = onloadPromiseFor("iframe_same_origin");
+var iframe_prompt = document.getElementById("iframe_prompt");
+
+add_task(function* runTest()
+{
+  // This test depends on tab modal prompts being enabled.
+  if (!isTabModal) {
+    todo(false, "Test disabled when tab modal prompts are not enabled.");
+    return;
+  }
+
+  info("Ensuring iframe1 has loaded...");
+  yield iframe1Loaded;
+  info("Ensuring iframe2 has loaded...");
+  yield iframe2Loaded;
+  let state, action;
+
+  state = {
+    msg         : "hello world",
+    iconClass   : "alert-icon",
+    titleHidden : true,
+    textHidden  : true,
+    passHidden  : true,
+    checkHidden : true,
+    textValue   : "",
+    passValue   : "",
+    checkMsg    : "",
+    checked     : false,
+    focused     : "button0",
+    defButton   : "button0",
+  };
+  action = {
+    buttonClick: "ok",
+  };
+
+  promptDone = handlePrompt(state, action);
+
+  var button = document.querySelector("button");
+  dispatchMouseEvent(button, "click");
+
+  yield promptDone;
+
+
+  // mostly reusing same state/action
+  state.titleHidden = false;
+  state.msg = "hello world 2";
+  promptDone = handlePrompt(state, action);
+
+  var iframe = document.getElementById("iframe_diff_origin");
+  button = SpecialPowers.wrap(iframe.contentWindow).document.getElementById("btn1");
+  dispatchMouseEvent(button, "click");
+
+  yield promptDone;
+
+
+  // mostly reusing same state/action
+  state.titleHidden = true;
+  state.msg = "hello world 2";
+  promptDone = handlePrompt(state, action);
+
+  iframe = document.getElementById("iframe_same_origin");
+  button = iframe.contentWindow.document.getElementById("btn1");
+  dispatchMouseEvent(button, "click");
+
+  yield promptDone;
+
+
+  // mostly reusing same state/action
+  state.msg = "hello world 3";
+  promptDone = handlePrompt(state, action);
+
+  button = iframe.contentWindow.document.getElementById("btn2");
+  dispatchMouseEvent(button, "click");
+
+  yield promptDone;
+});
+
+add_task(function* runTestAuth()
+{
+  // Following tests chack prompt message for a cross-origin and not
+  // cross-origin subresources load
+
+  // Force parent to not look for tab-modal prompts, as they're not
+  // used for auth prompts.
+  isTabModal = false;
+
+  state = {
+    msg         : "http://mochi.test:8888 is requesting your username " +
+                  "and password. The site says: “mochitest”",
+    title       : "Authentication Required",
+    textValue   : "",
+    passValue   : "",
+    iconClass   : "authentication-icon question-icon",
+    titleHidden : true,
+    textHidden  : false,
+    passHidden  : false,
+    checkHidden : true,
+    checkMsg    : "",
+    checked     : false,
+    focused     : "textField",
+    defButton   : "button0",
+  };
+
+  action = {
+    buttonClick : "ok",
+    setCheckbox : false,
+    textField   : "mochiuser1",
+    passField   : "mochipass1",
+  };
+
+  promptDone = handlePrompt(state, action);
+
+  var iframe3Loaded = onloadPromiseFor("iframe_prompt");
+  iframe_prompt.src = "authenticate.sjs?user=mochiuser1&pass=mochipass1";
+  yield promptDone;
+  yield iframe3Loaded;
+  checkEchoedAuthInfo({user: "mochiuser1", pass: "mochipass1"},
+                      iframe_prompt.contentDocument);
+
+  // Cross-origin subresourse test.
+
+  // Force parent to not look for tab-modal prompts, as they're not used for auth prompts.
+  isTabModal =false;
+  state = {
+    msg         : "http://example.com is requesting your username and password. " +
+                  "WARNING: Your password will not be sent to the website you are currently visiting!",
+    title       : "Authentication Required",
+    textValue   : "",
+    passValue   : "",
+    iconClass   : "authentication-icon question-icon",
+    titleHidden : true,
+    textHidden  : false,
+    passHidden  : false,
+    checkHidden : true,
+    checkMsg    : "",
+    checked     : false,
+    focused     : "textField",
+    defButton   : "button0",
+  };
+
+  action = {
+    buttonClick : "ok",
+    setCheckbox : false,
+    textField   : "mochiuser2",
+    passField   : "mochipass2",
+  };
+
+  promptDone = handlePrompt(state, action);
+
+  iframe3Loaded = onloadPromiseFor("iframe_prompt");
+  iframe_prompt.src = "http://example.com/tests/toolkit/components/prompts/test/authenticate.sjs?user=mochiuser2&pass=mochipass2&realm=mochitest";
+  yield promptDone;
+  yield iframe3Loaded;
+  checkEchoedAuthInfo({user: "mochiuser2", pass: "mochipass2"},
+                      SpecialPowers.wrap(iframe_prompt.contentWindow).document);
+});
+
+function dispatchMouseEvent(target, type)
+{
+  var win = SpecialPowers.unwrap(target.ownerDocument.defaultView);
+  var e = document.createEvent("MouseEvent");
+  e.initEvent(type, false, false, win, 0, 1, 1, 1, 1,
+              false, false, false, false, 0, null);
+  var utils = SpecialPowers.getDOMWindowUtils(win);
+  utils.dispatchDOMEventViaPresShell(SpecialPowers.unwrap(target), e, true);
+}
+</script>
+</body>
+</html>