diff -r 000000000000 -r 6474c204b198 dom/xbl/nsXBLProtoImplMember.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/xbl/nsXBLProtoImplMember.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsXBLProtoImplMember_h__
+#define nsXBLProtoImplMember_h__
+
+#include "nsIAtom.h"
+#include "nsString.h"
+#include "nsString.h"
+#include "nsIServiceManager.h"
+#include "nsContentUtils.h" // For NS_CONTENT_DELETE_LIST_MEMBER.
+#include "nsCycleCollectionParticipant.h"
+
+class nsIContent;
+class nsIObjectOutputStream;
+
+struct nsXBLTextWithLineNumber
+{
+  char16_t* mText;
+  uint32_t mLineNumber;
+
+  nsXBLTextWithLineNumber() :
+    mText(nullptr),
+    mLineNumber(0)
+  {
+    MOZ_COUNT_CTOR(nsXBLTextWithLineNumber);
+  }
+
+  ~nsXBLTextWithLineNumber() {
+    MOZ_COUNT_DTOR(nsXBLTextWithLineNumber);
+    if (mText) {
+      nsMemory::Free(mText);
+    }
+  }
+
+  void AppendText(const nsAString& aText) {
+    if (mText) {
+      char16_t* temp = mText;
+      mText = ToNewUnicode(nsDependentString(temp) + aText);
+      nsMemory::Free(temp);
+    } else {
+      mText = ToNewUnicode(aText);
+    }
+  }
+
+  char16_t* GetText() {
+    return mText;
+  }
+
+  void SetLineNumber(uint32_t aLineNumber) {
+    mLineNumber = aLineNumber;
+  }
+
+  uint32_t GetLineNumber() {
+    return mLineNumber;
+  }
+};
+
+class nsXBLProtoImplMember
+{
+public:
+  nsXBLProtoImplMember(const char16_t* aName)
+    : mNext(nullptr)
+    , mExposeToUntrustedContent(false)
+  {
+    mName = ToNewUnicode(nsDependentString(aName));
+  }
+  virtual ~nsXBLProtoImplMember() {
+    nsMemory::Free(mName);
+    NS_CONTENT_DELETE_LIST_MEMBER(nsXBLProtoImplMember, this, mNext);
+  }
+
+  nsXBLProtoImplMember* GetNext() { return mNext; }
+  void SetNext(nsXBLProtoImplMember* aNext) { mNext = aNext; }
+  bool ShouldExposeToUntrustedContent() { return mExposeToUntrustedContent; }
+  void SetExposeToUntrustedContent(bool aExpose) { mExposeToUntrustedContent = aExpose; }
+  const char16_t* GetName() { return mName; }
+
+  virtual nsresult InstallMember(JSContext* aCx,
+                                 JS::Handle<JSObject*> aTargetClassObject) = 0;
+  virtual nsresult CompileMember(const nsCString& aClassStr,
+                                 JS::Handle<JSObject*> aClassObject) = 0;
+
+  virtual void Trace(const TraceCallbacks& aCallbacks, void *aClosure) = 0;
+
+  virtual nsresult Write(nsIObjectOutputStream* aStream)
+  {
+    return NS_OK;
+  }
+
+protected:
+  nsXBLProtoImplMember* mNext;  // The members of an implementation are chained.
+  char16_t* mName;               // The name of the field, method, or property.
+
+  bool mExposeToUntrustedContent; // If this binding is installed on an element
+                                  // in an untrusted scope, should this
+                                  // implementation member be accessible to the
+                                  // content?
+};
+
+#endif // nsXBLProtoImplMember_h__