Changed the extension.connect() API not to broadcast to all tabs. Added a

chrome/renderer/extensions/event_bindings.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_EXTENSIONS_EVENT_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_EVENT_BINDINGS_H_
 
 #include "v8/include/v8.h"
 
 #include <string>
 
 class RenderThreadBase;
+class RenderView;
 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 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(WebFrame* frame);
+  static void HandleContextCreated(WebFrame* frame, bool contet_script);
   static void HandleContextDestroyed(WebFrame* frame);
 
-  // Calls the given function in each registered context which is listening
-  // for events.  See comments on bindings_utils::CallFunctionInContext for
-  // more details.
+  // 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.
   static void CallFunction(const std::string& function_name, int argc,
-                           v8::Handle<v8::Value>* argv);
+                           v8::Handle<v8::Value>* argv,
+                           RenderView* render_view);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EVENT_BINDINGS_H_