Reland r57788 - Expose Extension Bindings to Component Applications

chrome/renderer/extensions/event_bindings.h

 // Copyright (c) 2010 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_
 #pragma once
 
 #include <string>
 
 #include "v8/include/v8.h"
 
 class GURL;
 class RenderThreadBase;
 class RenderView;
 
 namespace WebKit {
 class WebFrame;
 }
 
 // This class deals with the javascript bindings related to Event objects.
 class EventBindings {
  public:
   static const char* kName;  // The v8::Extension name, for dependencies.
+  static const char* kTestingExtensionId;
+
   static v8::Extension* Get();
 
   // Allow RenderThread to be mocked out.
   static void SetRenderThread(RenderThreadBase* thread);
   static RenderThreadBase* GetRenderThread();
 
   // Handle a script context coming / going away.
   static void HandleContextCreated(WebKit::WebFrame* frame,
                                    bool content_script);
   static void HandleContextDestroyed(WebKit::WebFrame* frame);
 
   // Calls the given function in each registered context which is listening for
   // events.  If render_view is non-NULL, only call the function in contexts
   // belonging to that view.  See comments on
   // bindings_utils::CallFunctionInContext for more details.
   // The called javascript function should not return a value other than
   // v8::Undefined(). A DCHECK is setup to break if it is otherwise.
   static void CallFunction(const std::string& function_name, int argc,
                            v8::Handle<v8::Value>* argv,
                            RenderView* render_view,
                            bool requires_incognito_access,
                            const GURL& event_url);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EVENT_BINDINGS_H_