diff -r 000000000000 -r 6474c204b198 parser/html/nsHtml5Portability.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parser/html/nsHtml5Portability.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,150 @@
+/* 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 "nsIAtom.h"
+#include "nsString.h"
+#include "jArray.h"
+#include "nsHtml5Portability.h"
+
+nsIAtom*
+nsHtml5Portability::newLocalNameFromBuffer(char16_t* buf, int32_t offset, int32_t length, nsHtml5AtomTable* interner)
+{
+  NS_ASSERTION(!offset, "The offset should always be zero here.");
+  NS_ASSERTION(interner, "Didn't get an atom service.");
+  return interner->GetAtom(nsDependentSubstring(buf, buf + length));
+}
+
+nsString*
+nsHtml5Portability::newStringFromBuffer(char16_t* buf, int32_t offset, int32_t length)
+{
+  return new nsString(buf + offset, length);
+}
+
+nsString*
+nsHtml5Portability::newEmptyString()
+{
+  return new nsString();
+}
+
+nsString*
+nsHtml5Portability::newStringFromLiteral(const char* literal)
+{
+  nsString* str = new nsString();
+  str->AssignASCII(literal);
+  return str;
+}
+
+nsString*
+nsHtml5Portability::newStringFromString(nsString* string) {
+  nsString* newStr = new nsString();
+  newStr->Assign(*string);
+  return newStr;
+}
+
+jArray<char16_t,int32_t>
+nsHtml5Portability::newCharArrayFromLocal(nsIAtom* local)
+{
+  nsAutoString temp;
+  local->ToString(temp);
+  int32_t len = temp.Length();
+  jArray<char16_t,int32_t> arr = jArray<char16_t,int32_t>::newJArray(len);
+  memcpy(arr, temp.BeginReading(), len * sizeof(char16_t));
+  return arr;
+}
+
+jArray<char16_t,int32_t>
+nsHtml5Portability::newCharArrayFromString(nsString* string)
+{
+  int32_t len = string->Length();
+  jArray<char16_t,int32_t> arr = jArray<char16_t,int32_t>::newJArray(len);
+  memcpy(arr, string->BeginReading(), len * sizeof(char16_t));
+  return arr;
+}
+
+nsIAtom*
+nsHtml5Portability::newLocalFromLocal(nsIAtom* local, nsHtml5AtomTable* interner)
+{
+  NS_PRECONDITION(local, "Atom was null.");
+  NS_PRECONDITION(interner, "Atom table was null");
+  if (!local->IsStaticAtom()) {
+    nsAutoString str;
+    local->ToString(str);
+    local = interner->GetAtom(str);
+  }
+  return local;
+}
+
+void
+nsHtml5Portability::releaseString(nsString* str)
+{
+  delete str;
+}
+
+bool
+nsHtml5Portability::localEqualsBuffer(nsIAtom* local, char16_t* buf, int32_t offset, int32_t length)
+{
+  return local->Equals(nsDependentSubstring(buf + offset, buf + offset + length));
+}
+
+bool
+nsHtml5Portability::lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString(const char* lowerCaseLiteral, nsString* string)
+{
+  if (!string) {
+    return false;
+  }
+  const char* litPtr = lowerCaseLiteral;
+  const char16_t* strPtr = string->BeginReading();
+  const char16_t* end = string->EndReading();
+  char16_t litChar;
+  while ((litChar = *litPtr)) {
+    NS_ASSERTION(!(litChar >= 'A' && litChar <= 'Z'), "Literal isn't in lower case.");
+    if (strPtr == end) {
+      return false;
+    }
+    char16_t strChar = *strPtr;
+    if (strChar >= 'A' && strChar <= 'Z') {
+      strChar += 0x20;
+    }
+    if (litChar != strChar) {
+      return false;
+    }
+    ++litPtr;
+    ++strPtr;
+  }
+  return true;
+}
+
+bool
+nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString(const char* lowerCaseLiteral, nsString* string)
+{
+  if (!string) {
+    return false;
+  }
+  return string->LowerCaseEqualsASCII(lowerCaseLiteral);
+}
+
+bool
+nsHtml5Portability::literalEqualsString(const char* literal, nsString* string)
+{
+  if (!string) {
+    return false;
+  }
+  return string->EqualsASCII(literal);
+}
+
+bool
+nsHtml5Portability::stringEqualsString(nsString* one, nsString* other)
+{
+  return one->Equals(*other);
+}
+
+void
+nsHtml5Portability::initializeStatics()
+{
+}
+
+void
+nsHtml5Portability::releaseStatics()
+{
+}