Extensions: pass ChromeV8Context around instead of v8::Handle.

chrome/renderer/extensions/event_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_EVENT_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_EVENT_BINDINGS_H_
 
 #include "v8/include/v8.h"
 
 namespace extensions {
+class ChromeV8Context;
 class ChromeV8Extension;
 class Dispatcher;
 class EventFilter;
 
 // This class deals with the javascript bindings related to Event objects.
 class EventBindings {
  public:
   static ChromeV8Extension* Create(Dispatcher* dispatcher,
-                                   v8::Handle<v8::Context> context);
+                                   ChromeV8Context* context);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EVENT_BINDINGS_H_