Revert 186643 - Caused a 10% regression on SunSpider benchmark

chrome/renderer/extensions/context_menus_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_CONTEXT_MENUS_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_CONTEXT_MENUS_CUSTOM_BINDINGS_H_
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
 namespace extensions {
 
 // Implements custom bindings for the contextMenus API.
 class ContextMenusCustomBindings : public ChromeV8Extension {
  public:
-  ContextMenusCustomBindings(Dispatcher* dispatcher,
-                             v8::Handle<v8::Context> v8_context);
+  ContextMenusCustomBindings();
 };
 
 }  // extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CONTEXT_MENUS_CUSTOM_BINDINGS_H_