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

chrome/renderer/extensions/runtime_custom_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_RUNTIME_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_RUNTIME_CUSTOM_BINDINGS_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 #include "v8/include/v8.h"
@@ skipping 11 matching lines @@
   virtual ~RuntimeCustomBindings();
 
   // Creates a new messaging channel to the given extension.
   v8::Handle<v8::Value> OpenChannelToExtension(const v8::Arguments& args);
 
   // Creates a new messaging channels for the specified native application.
   v8::Handle<v8::Value> OpenChannelToNativeApp(const v8::Arguments& args);
 
  private:
   v8::Handle<v8::Value> GetManifest(const v8::Arguments& args);
-
-  ChromeV8Context* context_;
 };
 
 }  // extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_RUNTIME_CUSTOM_BINDINGS_H_