Implement a module system for the extension bindings JS.

chrome/renderer/extensions/miscellaneous_bindings.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_MISCELLANEOUS_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_MISCELLANEOUS_BINDINGS_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
 
+class ChromeV8Extension;
 class ExtensionDispatcher;
 
 namespace content {
 class RenderView;
 }
 
 namespace v8 {
 class Extension;
 }
 
 namespace extensions {
 
 // Manually implements some random JavaScript bindings for the extension system.
 //
 // TODO(aa): This should all get re-implemented using SchemaGeneratedBindings.
 // If anything needs to be manual for some reason, it should be implemented in
 // its own class.
 class MiscellaneousBindings {
  public:
   // Creates an instance of the extension.
-  static v8::Extension* Get(ExtensionDispatcher* dispatcher);
+  static ChromeV8Extension* Get(ExtensionDispatcher* dispatcher);
 
   // Delivers a message sent using content script messaging to some of the
   // contexts in |bindings_context_set|. If |restrict_to_render_view| is
   // specified, only contexts in that render view will receive the message.
   static void DeliverMessage(
       const ChromeV8ContextSet::ContextSet& context_set,
       int target_port_id,
       const std::string& message,
       content::RenderView* restrict_to_render_view);
 };
 
 }  // namespace
 
 #endif  // CHROME_RENDERER_EXTENSIONS_MISCELLANEOUS_BINDINGS_H_