Bug 1355479 - Flatten attribute storage in the HTML parser to AutoTArray to avoid malloc.

- Removes nsHtml5ReleasableAttributeName
- Adds nsHtml5AttributeEntry.h
- Makes nsHtml5HtmlAttributes no longer gentered.

Tag UXP Issue #1344

6 files changed, 212 insertions, 179 deletions

diff --git a/parser/html/moz.build b/parser/html/moz.build
index a3f88f46cf..e9bfdbbb9d 100644
--- a/parser/html/moz.build
+++ b/parser/html/moz.build
@@ -19,6 +19,8 @@ EXPORTS += [
     'nsHtml5AtomList.h',
     'nsHtml5Atoms.h',
     'nsHtml5AtomTable.h',
+    'nsHtml5AttributeEntry.h',
+    'nsHtml5AttributeName.h',
     'nsHtml5ByteReadable.h',
     'nsHtml5DependentUTF16Buffer.h',
     'nsHtml5DocumentBuilder.h',
@@ -71,7 +73,6 @@ UNIFIED_SOURCES += [
     'nsHtml5Parser.cpp',
     'nsHtml5PlainTextUtils.cpp',
     'nsHtml5Portability.cpp',
-    'nsHtml5ReleasableAttributeName.cpp',
     'nsHtml5Speculation.cpp',
     'nsHtml5SpeculativeLoad.cpp',
     'nsHtml5StackNode.cpp',
diff --git a/parser/html/nsHtml5AttributeEntry.h b/parser/html/nsHtml5AttributeEntry.h
new file mode 100644
index 0000000000..75dd108423
--- /dev/null
+++ b/parser/html/nsHtml5AttributeEntry.h
@@ -0,0 +1,91 @@
+/* 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/. */
+
+#ifndef nsHtml5AttributeEntry_h
+#define nsHtml5AttributeEntry_h
+
+#include "nsHtml5AttributeName.h"
+
+class nsHtml5AttributeEntry final
+{
+public:
+  nsHtml5AttributeEntry(nsHtml5AttributeName* aName,
+                        nsHtml5String aValue,
+                        int32_t aLine)
+    : mLine(aLine)
+    , mValue(aValue)
+  {
+    // Let's hope the compiler coalesces the following as appropriate.
+    mLocals[0] = aName->getLocal(0);
+    mLocals[1] = aName->getLocal(1);
+    mLocals[2] = aName->getLocal(2);
+    mPrefixes[0] = aName->getPrefix(0);
+    mPrefixes[1] = aName->getPrefix(1);
+    mPrefixes[2] = aName->getPrefix(2);
+    mUris[0] = aName->getUri(0);
+    mUris[1] = aName->getUri(1);
+    mUris[2] = aName->getUri(2);
+  }
+
+  // Isindex-only so doesn't need to deal with SVG and MathML
+  nsHtml5AttributeEntry(nsIAtom* aName, nsHtml5String aValue, int32_t aLine)
+    : mLine(aLine)
+    , mValue(aValue)
+  {
+    // Let's hope the compiler coalesces the following as appropriate.
+    mLocals[0] = aName;
+    mLocals[1] = aName;
+    mLocals[2] = aName;
+    mPrefixes[0] = nullptr;
+    mPrefixes[1] = nullptr;
+    mPrefixes[2] = nullptr;
+    mUris[0] = kNameSpaceID_None;
+    mUris[1] = kNameSpaceID_None;
+    mUris[2] = kNameSpaceID_None;
+  }
+
+  inline nsIAtom* GetLocal(int32_t aMode) { return mLocals[aMode]; }
+
+  inline nsIAtom* GetPrefix(int32_t aMode) { return mPrefixes[aMode]; }
+
+  inline int32_t GetUri(int32_t aMode) { return mUris[aMode]; }
+
+  inline nsHtml5String GetValue() { return mValue; }
+
+  inline int32_t GetLine() { return mLine; }
+
+  inline void ReleaseValue() { mValue.Release(); }
+
+  inline nsHtml5AttributeEntry Clone(nsHtml5AtomTable* aInterner)
+  {
+    // Copy the memory
+    nsHtml5AttributeEntry clone(*this);
+    // Increment refcount for value
+    clone.mValue = this->mValue.Clone();
+    if (aInterner) {
+      // Now if we have an interner, we'll need to rewrite non-static atoms.
+      // Only the local names may be non-static, in which case all three
+      // are the same.
+      nsIAtom* local = GetLocal(0);
+      if (!local->IsStaticAtom()) {
+        nsAutoString str;
+        local->ToString(str);
+        local = aInterner->GetAtom(str);
+        clone.mLocals[0] = local;
+        clone.mLocals[1] = local;
+        clone.mLocals[2] = local;
+      }
+    }
+    return clone;
+  }
+
+private:
+  nsIAtom* mLocals[3];
+  nsIAtom* mPrefixes[3];
+  int32_t mUris[3];
+  int32_t mLine;
+  nsHtml5String mValue;
+};
+
+#endif // nsHtml5AttributeEntry_h
diff --git a/parser/html/nsHtml5HtmlAttributes.cpp b/parser/html/nsHtml5HtmlAttributes.cpp
index 1460b5ca0d..bdccd8145b 100644
--- a/parser/html/nsHtml5HtmlAttributes.cpp
+++ b/parser/html/nsHtml5HtmlAttributes.cpp
@@ -23,11 +23,6 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-/*
- * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
- * Please edit HtmlAttributes.java instead and regenerate.
- */
-
 #define nsHtml5HtmlAttributes_cpp__
 
 #include "nsIAtom.h"
@@ -59,12 +54,8 @@
 
 nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES = nullptr;
 
-nsHtml5HtmlAttributes::nsHtml5HtmlAttributes(int32_t mode)
-  : mode(mode),
-    length(0),
-    names(jArray<nsHtml5AttributeName*,int32_t>::newJArray(8)),
-    values(jArray<nsHtml5String,int32_t>::newJArray(8)),
-    lines(jArray<int32_t,int32_t>::newJArray(8))
+nsHtml5HtmlAttributes::nsHtml5HtmlAttributes(int32_t aMode)
+  : mMode(aMode)
 {
   MOZ_COUNT_CTOR(nsHtml5HtmlAttributes);
 }
@@ -76,11 +67,13 @@ nsHtml5HtmlAttributes::~nsHtml5HtmlAttributes()
   clear(0);
 }
 
-int32_t 
-nsHtml5HtmlAttributes::getIndex(nsHtml5AttributeName* name)
+int32_t
+nsHtml5HtmlAttributes::getIndex(nsHtml5AttributeName* aName)
 {
-  for (int32_t i = 0; i < length; i++) {
-    if (names[i] == name) {
+  for (size_t i = 0; i < mStorage.Length(); i++) {
+    if (mStorage[i].GetLocal(NS_HTML5ATTRIBUTE_NAME_HTML) ==
+        aName->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML)) {
+      // It's release asserted elsewhere that i can't be too large.
       return i;
     }
   }
@@ -88,9 +81,9 @@ nsHtml5HtmlAttributes::getIndex(nsHtml5AttributeName* name)
 }
 
 nsHtml5String 
-nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* name)
+nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* aName)
 {
-  int32_t index = getIndex(name);
+  int32_t index = getIndex(aName);
   if (index == -1) {
     return nullptr;
   } else {
@@ -101,106 +94,98 @@ nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* name)
 int32_t 
 nsHtml5HtmlAttributes::getLength()
 {
-  return length;
+  return mStorage.Length();
 }
 
-nsIAtom* 
-nsHtml5HtmlAttributes::getLocalNameNoBoundsCheck(int32_t index)
+nsIAtom*
+nsHtml5HtmlAttributes::getLocalNameNoBoundsCheck(int32_t aIndex)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return names[index]->getLocal(mode);
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage[aIndex].GetLocal(mMode);
 }
 
-int32_t 
-nsHtml5HtmlAttributes::getURINoBoundsCheck(int32_t index)
+int32_t
+nsHtml5HtmlAttributes::getURINoBoundsCheck(int32_t aIndex)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return names[index]->getUri(mode);
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage[aIndex].GetUri(mMode);
 }
 
-nsIAtom* 
-nsHtml5HtmlAttributes::getPrefixNoBoundsCheck(int32_t index)
+nsIAtom*
+nsHtml5HtmlAttributes::getPrefixNoBoundsCheck(int32_t aIndex)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return names[index]->getPrefix(mode);
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage[aIndex].GetPrefix(mMode);
 }
 
 nsHtml5String 
-nsHtml5HtmlAttributes::getValueNoBoundsCheck(int32_t index)
+nsHtml5HtmlAttributes::getValueNoBoundsCheck(int32_t aIndex)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return values[index];
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage[aIndex].GetValue();
 }
 
-nsHtml5AttributeName* 
-nsHtml5HtmlAttributes::getAttributeNameNoBoundsCheck(int32_t index)
+int32_t
+nsHtml5HtmlAttributes::getLineNoBoundsCheck(int32_t aIndex)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return names[index];
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage[aIndex].GetLine();
 }
 
-int32_t 
-nsHtml5HtmlAttributes::getLineNoBoundsCheck(int32_t index)
+void 
+nsHtml5HtmlAttributes::addAttribute(nsHtml5AttributeName* aName,
+                                    nsHtml5String aValue,
+                                    int32_t aLine)
 {
-  MOZ_ASSERT(index < length && index >= 0, "Index out of bounds");
-  return lines[index];
+  mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
+  MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
+                     "Can't handle this many attributes.");
 }
 
-void 
-nsHtml5HtmlAttributes::addAttribute(nsHtml5AttributeName* name, nsHtml5String value, int32_t line)
+// Isindex-only, so doesn't need to deal with SVG and MathML
+void
+nsHtml5HtmlAttributes::AddAttributeWithLocal(nsIAtom* aName,
+                                             nsHtml5String aValue,
+                                             int32_t aLine)
 {
-  if (names.length == length) {
-    int32_t newLen = length << 1;
-    jArray<nsHtml5AttributeName*,int32_t> newNames = jArray<nsHtml5AttributeName*,int32_t>::newJArray(newLen);
-    nsHtml5ArrayCopy::arraycopy(names, newNames, names.length);
-    names = newNames;
-    jArray<nsHtml5String,int32_t> newValues = jArray<nsHtml5String,int32_t>::newJArray(newLen);
-    nsHtml5ArrayCopy::arraycopy(values, newValues, values.length);
-    values = newValues;
-    jArray<int32_t,int32_t> newLines = jArray<int32_t,int32_t>::newJArray(newLen);
-    nsHtml5ArrayCopy::arraycopy(lines, newLines, lines.length);
-    lines = newLines;
-  }
-  names[length] = name;
-  values[length] = value;
-  lines[length] = line;
-  length++;
+  mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
+  MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
+                     "Can't handle this many attributes.");
 }
 
-void 
-nsHtml5HtmlAttributes::clear(int32_t m)
+void
+nsHtml5HtmlAttributes::clear(int32_t aMode)
 {
-  for (int32_t i = 0; i < length; i++) {
-    names[i]->release();
-    names[i] = nullptr;
-    values[i].Release();
-    values[i] = nullptr;
+  for (nsHtml5AttributeEntry& entry : mStorage) {
+    entry.ReleaseValue();
   }
-  length = 0;
-  mode = m;
+  mStorage.TruncateLength(0);
+  mMode = aMode;
 }
 
-void 
-nsHtml5HtmlAttributes::releaseValue(int32_t i)
+void
+nsHtml5HtmlAttributes::releaseValue(int32_t aIndex)
 {
-  values[i].Release();
+  mStorage[aIndex].ReleaseValue();
 }
 
 void 
 nsHtml5HtmlAttributes::clearWithoutReleasingContents()
 {
-  for (int32_t i = 0; i < length; i++) {
-    names[i] = nullptr;
-    values[i] = nullptr;
-  }
-  length = 0;
+  mStorage.TruncateLength(0);
 }
 
-bool 
-nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* name)
+bool
+nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* aName)
 {
-  for (int32_t i = 0; i < length; i++) {
-    if (name->equalsAnother(names[i])) {
+  for (size_t i = 0; i < mStorage.Length(); i++) {
+    if (mStorage[i].GetLocal(NS_HTML5ATTRIBUTE_NAME_HTML) ==
+        aName->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML)) {
       return true;
     }
   }
@@ -210,43 +195,44 @@ nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* name)
 void 
 nsHtml5HtmlAttributes::adjustForMath()
 {
-  mode = NS_HTML5ATTRIBUTE_NAME_MATHML;
+  mMode = NS_HTML5ATTRIBUTE_NAME_MATHML;
 }
 
 void 
 nsHtml5HtmlAttributes::adjustForSvg()
 {
-  mode = NS_HTML5ATTRIBUTE_NAME_SVG;
+  mMode = NS_HTML5ATTRIBUTE_NAME_SVG;
 }
 
-nsHtml5HtmlAttributes* 
-nsHtml5HtmlAttributes::cloneAttributes(nsHtml5AtomTable* interner)
+nsHtml5HtmlAttributes*
+nsHtml5HtmlAttributes::cloneAttributes(nsHtml5AtomTable* aInterner)
 {
-  MOZ_ASSERT((!length) || !mode || mode == 3);
-  nsHtml5HtmlAttributes* clone = new nsHtml5HtmlAttributes(0);
-  for (int32_t i = 0; i < length; i++) {
-    clone->addAttribute(names[i]->cloneAttributeName(interner), nsHtml5Portability::newStringFromString(values[i]), lines[i]);
+  MOZ_ASSERT(mStorage.IsEmpty() || !mMode);
+  nsHtml5HtmlAttributes* clone =
+    new nsHtml5HtmlAttributes(NS_HTML5ATTRIBUTE_NAME_HTML);
+  for (nsHtml5AttributeEntry& entry : mStorage) {
+    clone->AddEntry(entry.Clone(aInterner));
   }
   return clone;
 }
 
-bool 
-nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* other)
+bool
+nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* aOther)
 {
-  MOZ_ASSERT(!mode || mode == 3, "Trying to compare attributes in foreign content.");
-  int32_t otherLength = other->getLength();
-  if (length != otherLength) {
+  MOZ_ASSERT(!mMode, "Trying to compare attributes in foreign content.");
+  if (mStorage.Length() != aOther->mStorage.Length()) {
     return false;
   }
-  for (int32_t i = 0; i < length; i++) {
+  for (nsHtml5AttributeEntry& entry : mStorage) {
     bool found = false;
-    nsIAtom* ownLocal = names[i]->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML);
-    for (int32_t j = 0; j < otherLength; j++) {
-      if (ownLocal == other->names[j]->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML)) {
+    nsIAtom* ownLocal = entry.GetLocal(NS_HTML5ATTRIBUTE_NAME_HTML);
+    for (nsHtml5AttributeEntry& otherEntry : aOther->mStorage) {
+      if (ownLocal == otherEntry.GetLocal(NS_HTML5ATTRIBUTE_NAME_HTML)) {
         found = true;
-        if (!nsHtml5Portability::stringEqualsString(values[i], other->values[j])) {
+        if (!entry.GetValue().Equals(otherEntry.GetValue())) {
           return false;
         }
+        break;
       }
     }
     if (!found) {
@@ -257,6 +243,12 @@ nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* other)
 }
 
 void
+nsHtml5HtmlAttributes::AddEntry(nsHtml5AttributeEntry&& aEntry)
+{
+  mStorage.AppendElement(aEntry);
+}
+
+void
 nsHtml5HtmlAttributes::initializeStatics()
 {
   EMPTY_ATTRIBUTES = new nsHtml5HtmlAttributes(NS_HTML5ATTRIBUTE_NAME_HTML);
diff --git a/parser/html/nsHtml5HtmlAttributes.h b/parser/html/nsHtml5HtmlAttributes.h
index f97e80c8ab..8dde057715 100644
--- a/parser/html/nsHtml5HtmlAttributes.h
+++ b/parser/html/nsHtml5HtmlAttributes.h
@@ -23,11 +23,6 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-/*
- * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
- * Please edit HtmlAttributes.java instead and regenerate.
- */
-
 #ifndef nsHtml5HtmlAttributes_h
 #define nsHtml5HtmlAttributes_h
 
@@ -45,6 +40,8 @@
 #include "nsIUnicodeDecoder.h"
 #include "nsHtml5Macros.h"
 #include "nsIContentHandle.h"
+#include "nsTArray.h"
+#include "nsHtml5AttributeEntry.h"
 
 class nsHtml5StreamParser;
 
@@ -63,32 +60,39 @@ class nsHtml5HtmlAttributes
   public:
     static nsHtml5HtmlAttributes* EMPTY_ATTRIBUTES;
   private:
-    int32_t mode;
-    int32_t length;
-    autoJArray<nsHtml5AttributeName*,int32_t> names;
-    autoJArray<nsHtml5String,int32_t> values;
-    autoJArray<int32_t,int32_t> lines;
+    AutoTArray<nsHtml5AttributeEntry, 5> mStorage;
+    int32_t mMode;
+    void AddEntry(nsHtml5AttributeEntry&& aEntry);
+
   public:
-    explicit nsHtml5HtmlAttributes(int32_t mode);
+    explicit nsHtml5HtmlAttributes(int32_t aMode);
     ~nsHtml5HtmlAttributes();
-    int32_t getIndex(nsHtml5AttributeName* name);
-    nsHtml5String getValue(nsHtml5AttributeName* name);
+
+    // Remove getIndex when removing isindex support
+    int32_t getIndex(nsHtml5AttributeName* aName);
+
+    nsHtml5String getValue(nsHtml5AttributeName* aName);
     int32_t getLength();
-    nsIAtom* getLocalNameNoBoundsCheck(int32_t index);
-    int32_t getURINoBoundsCheck(int32_t index);
-    nsIAtom* getPrefixNoBoundsCheck(int32_t index);
-    nsHtml5String getValueNoBoundsCheck(int32_t index);
-    nsHtml5AttributeName* getAttributeNameNoBoundsCheck(int32_t index);
-    int32_t getLineNoBoundsCheck(int32_t index);
-    void addAttribute(nsHtml5AttributeName* name, nsHtml5String value, int32_t line);
-    void clear(int32_t m);
-    void releaseValue(int32_t i);
+    nsIAtom* getLocalNameNoBoundsCheck(int32_t aIndex);
+    int32_t getURINoBoundsCheck(int32_t aIndex);
+    nsIAtom* getPrefixNoBoundsCheck(int32_t aIndex);
+    nsHtml5String getValueNoBoundsCheck(int32_t aIndex);
+    nsHtml5AttributeName* getAttributeNameNoBoundsCheck(int32_t aIndex);
+    int32_t getLineNoBoundsCheck(int32_t aIndex);
+    void addAttribute(nsHtml5AttributeName* aName,
+                      nsHtml5String aValue,
+                      int32_t aLine);
+    void AddAttributeWithLocal(nsIAtom* aName,
+                               nsHtml5String aValue,
+                               int32_t aLine);
+    void clear(int32_t aMode);
+    void releaseValue(int32_t aIndex);
     void clearWithoutReleasingContents();
-    bool contains(nsHtml5AttributeName* name);
+    bool contains(nsHtml5AttributeName* aName);
     void adjustForMath();
     void adjustForSvg();
-    nsHtml5HtmlAttributes* cloneAttributes(nsHtml5AtomTable* interner);
-    bool equalsAnother(nsHtml5HtmlAttributes* other);
+    nsHtml5HtmlAttributes* cloneAttributes(nsHtml5AtomTable* aInterner);
+    bool equalsAnother(nsHtml5HtmlAttributes* aOther);
     static void initializeStatics();
     static void releaseStatics();
 };
diff --git a/parser/html/nsHtml5ReleasableAttributeName.cpp b/parser/html/nsHtml5ReleasableAttributeName.cpp
deleted file mode 100644
index 4cef131e7d..0000000000
--- a/parser/html/nsHtml5ReleasableAttributeName.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/* 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/. */
-
-#include "nsHtml5ReleasableAttributeName.h"
-#include "nsHtml5Portability.h"
-#include "nsHtml5AtomTable.h"
-
-nsHtml5ReleasableAttributeName::nsHtml5ReleasableAttributeName(int32_t* uri, nsIAtom** local, nsIAtom** prefix)
-  : nsHtml5AttributeName(uri, local, prefix)
-{
-}
-
-nsHtml5AttributeName*
-nsHtml5ReleasableAttributeName::cloneAttributeName(nsHtml5AtomTable* aInterner)
-{
-  nsIAtom* l = getLocal(0);
-  if (aInterner) {
-    if (!l->IsStaticAtom()) {
-      nsAutoString str;
-      l->ToString(str);
-      l = aInterner->GetAtom(str);
-    }
-  }
-  return new nsHtml5ReleasableAttributeName(nsHtml5AttributeName::ALL_NO_NS, 
-                                            nsHtml5AttributeName::SAME_LOCAL(l), 
-                                            nsHtml5AttributeName::ALL_NO_PREFIX);
-}
-
-void
-nsHtml5ReleasableAttributeName::release()
-{
-  delete this;
-}
diff --git a/parser/html/nsHtml5ReleasableAttributeName.h b/parser/html/nsHtml5ReleasableAttributeName.h
deleted file mode 100644
index e9766173b2..0000000000
--- a/parser/html/nsHtml5ReleasableAttributeName.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* 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/. */
-
-#ifndef nsHtml5ReleasableAttributeName_h
-#define nsHtml5ReleasableAttributeName_h
-
-#include "nsHtml5AttributeName.h"
-#include "mozilla/Attributes.h"
-
-class nsHtml5AtomTable;
-
-class nsHtml5ReleasableAttributeName final : public nsHtml5AttributeName
-{
-  public:
-    nsHtml5ReleasableAttributeName(int32_t* uri, nsIAtom** local, nsIAtom** prefix);
-    virtual nsHtml5AttributeName* cloneAttributeName(nsHtml5AtomTable* aInterner);
-    virtual void release();
-};
-
-#endif // nsHtml5ReleasableAttributeName_h