Implement a module system for the extension bindings JS.

chrome/renderer/extensions/custom_bindings_util.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_CUSTOM_BINDINGS_UTIL_H_
 #define CHROME_RENDERER_EXTENSIONS_CUSTOM_BINDINGS_UTIL_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
+class ChromeV8Extension;
 class Extension;
 class ExtensionDispatcher;
 
 namespace v8 {
 class Extension;
 }
 
 namespace extensions {
 
 // Utilities for managing the set of V8 extensions for extension API custom
 // bindings.
 namespace custom_bindings_util {
 
 // Creates V8 extensions for all custom bindings.
-std::vector<v8::Extension*> GetAll(ExtensionDispatcher* extension_dispatcher);
+std::vector<ChromeV8Extension*> GetAll(
+    ExtensionDispatcher* extension_dispatcher);
 
 // Extracts the name of an API from the name of the V8 extension which contains
 // custom bindings for it.
 // Returns an empty string if the extension is not for a custom binding.
 std::string GetAPIName(const std::string& v8_extension_name);
 
 // Returns whether the custom binding for an API should be allowed to run for
 // |extension|.  This is based on whether the extension has any permission
 // (required or optional) for that API.
 bool AllowAPIInjection(const std::string& api_name,
                        const Extension& extension);
 
 }  // namespace custom_bindings_util
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CUSTOM_BINDINGS_UTIL_H_