5 files changed, 25 insertions, 18 deletions
diff --git a/dom/webidl/Fetch.webidl b/dom/webidl/Fetch.webidl
index 4b2a0af7d0..bbb1faf7f7 100644
--- a/dom/webidl/Fetch.webidl
+++ b/dom/webidl/Fetch.webidl
@@ -8,7 +8,7 @@
  */
 
 typedef object JSON;
-typedef (ArrayBuffer or ArrayBufferView or Blob or FormData or USVString or URLSearchParams) BodyInit;
+typedef (Blob or BufferSource or FormData or URLSearchParams or USVString) BodyInit;
 
 [NoInterfaceObject, Exposed=(Window,Worker)]
 interface Body {
@@ -24,3 +24,15 @@ interface Body {
   [Throws]
   Promise<USVString> text();
 };
+
+// These are helper dictionaries for the parsing of a
+// getReader().read().then(data) parsing.
+// See more about how these 2 helpers are used in
+// dom/fetch/FetchStreamReader.cpp
+dictionary FetchReadableStreamReadDataDone {
+  boolean done = false;
+};
+
+dictionary FetchReadableStreamReadDataArray {
+  Uint8Array value;
+};
diff --git a/dom/webidl/Navigator.webidl b/dom/webidl/Navigator.webidl
index 516b5415e3..5f2ac63e1e 100644
--- a/dom/webidl/Navigator.webidl
+++ b/dom/webidl/Navigator.webidl
@@ -296,7 +296,7 @@ partial interface Navigator {
 partial interface Navigator {
   [Throws, Pref="beacon.enabled"]
   boolean sendBeacon(DOMString url,
-                     optional (ArrayBufferView or Blob or DOMString or FormData)? data = null);
+                     optional BodyInit? data = null);
 };
 
 partial interface Navigator {
diff --git a/dom/webidl/RTCPeerConnection.webidl b/dom/webidl/RTCPeerConnection.webidl
index 6fb4194c36..b852d32070 100644
--- a/dom/webidl/RTCPeerConnection.webidl
+++ b/dom/webidl/RTCPeerConnection.webidl
@@ -66,17 +66,6 @@ dictionary RTCOfferOptions : RTCOfferAnswerOptions {
   // Mozilla proprietary options (at risk: Bug 1196974)
   boolean mozDontOfferDataChannel;
   boolean mozBundleOnly;
-
-  // TODO: Remove old constraint-like RTCOptions support soon (Bug 1064223).
-  DeprecatedRTCOfferOptionsSet mandatory;
-  sequence<DeprecatedRTCOfferOptionsSet> _optional;
-};
-
-dictionary DeprecatedRTCOfferOptionsSet {
-  boolean OfferToReceiveAudio;     // Note the uppercase 'O'
-  boolean OfferToReceiveVideo;     // Note the uppercase 'O'
-  boolean MozDontOfferDataChannel; // Note the uppercase 'M'
-  boolean MozBundleOnly;           // Note the uppercase 'M'
 };
 
 interface RTCDataChannel;
@@ -119,8 +108,6 @@ interface RTCPeerConnection : EventTarget  {
   sequence<MediaStream> getLocalStreams ();
   [UnsafeInPrerendering, Deprecated="RTCPeerConnectionGetStreams"]
   sequence<MediaStream> getRemoteStreams ();
-  [UnsafeInPrerendering]
-  MediaStream? getStreamById (DOMString streamId);
   void addStream (MediaStream stream);
 
   // replaces addStream; fails if already added
diff --git a/dom/webidl/Response.webidl b/dom/webidl/Response.webidl
index 08f31fe29a..0f4c99dbac 100644
--- a/dom/webidl/Response.webidl
+++ b/dom/webidl/Response.webidl
@@ -7,7 +7,9 @@
  * https://fetch.spec.whatwg.org/#response-class
  */
 
-[Constructor(optional BodyInit? body, optional ResponseInit init),
+// This should be Constructor(optional BodyInit... but BodyInit doesn't include
+// ReadableStream yet because we don't want to expose the Streams API to Request.
+[Constructor(optional (Blob or BufferSource or FormData or URLSearchParams or ReadableStream or USVString) body, optional ResponseInit init),
  Exposed=(Window,Worker)]
 interface Response {
   [NewObject] static Response error();
@@ -30,6 +32,12 @@ interface Response {
 };
 Response implements Body;
 
+// This should be part of Body but we don't want to expose body to request yet.
+partial interface Response {
+  [GetterThrows, Func="nsContentUtils::StreamsEnabled"]
+  readonly attribute ReadableStream? body;
+};
+
 dictionary ResponseInit {
   unsigned short status = 200;
   ByteString statusText = "OK";
diff --git a/dom/webidl/WindowOrWorkerGlobalScope.webidl b/dom/webidl/WindowOrWorkerGlobalScope.webidl
index 9e639db5f4..d378ba49ec 100644
--- a/dom/webidl/WindowOrWorkerGlobalScope.webidl
+++ b/dom/webidl/WindowOrWorkerGlobalScope.webidl
@@ -31,9 +31,9 @@ interface WindowOrWorkerGlobalScope {
   long setTimeout(DOMString handler, optional long timeout = 0, any... unused);
   void clearTimeout(optional long handle = 0);
   [Throws]
-  long setInterval(Function handler, optional long timeout, any... arguments);
+  long setInterval(Function handler, optional long timeout = 0, any... arguments);
   [Throws]
-  long setInterval(DOMString handler, optional long timeout, any... unused);
+  long setInterval(DOMString handler, optional long timeout = 0, any... unused);
   void clearInterval(optional long handle = 0);
 
   // microtask queuing