Replace window.external with a v8::extension.

chrome/renderer/render_view.h

 // Copyright (c) 2009 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_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <string>
 #include <queue>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/gfx/point.h"
 #include "base/gfx/rect.h"
 #include "base/id_map.h"
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/renderer/automation/dom_automation_controller.h"
 #include "chrome/renderer/dom_ui_bindings.h"
 #include "chrome/renderer/external_host_bindings.h"
-#include "chrome/renderer/external_js_object.h"
 #include "chrome/renderer/render_widget.h"
 #include "skia/include/SkBitmap.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebConsoleMessage.h"
 #include "webkit/glue/dom_serializer_delegate.h"
 #include "webkit/glue/feed.h"
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/password_form_dom_manager.h"
 #include "webkit/glue/webaccessibilitymanager.h"
 #include "webkit/glue/webview_delegate.h"
@@ skipping 592 matching lines @@
   // Bitwise-ORed set of extra bindings that have been enabled.  See
   // BindingsPolicy for details.
   int enabled_bindings_;
 
   // DOM Automation Controller CppBoundClass.
   DomAutomationController dom_automation_controller_;
 
   // Chrome page<->browser messaging CppBoundClass.
   DOMUIBindings dom_ui_bindings_;
 
-  // window.external object for "built-in" JS extensions
-  ExternalJSObject external_js_object_;
-
   // External host exposed through automation controller.
   ExternalHostBindings external_host_bindings_;
 
   // The last gotten main frame's encoding.
   std::wstring last_encoding_name_;
 
   // The URL we think the user's mouse is hovering over. We use this to
   // determine if we want to send a new one (we do not need to send
   // duplicates).
   GURL target_url_;
@@ skipping 148 matching lines @@
   scoped_refptr<AudioMessageFilter> audio_message_filter_;
 
   // The currently selected text. This is currently only updated on Linux, where
   // it's for the selection clipboard.
   std::string selection_text_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_