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

chrome/browser/renderer_host/resource_message_filter.h

 // Copyright (c) 2006-2008 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_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 15 matching lines @@
 #include "webkit/api/public/WebCache.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 class AppCacheDispatcherHost;
 class AudioRendererHost;
 class Clipboard;
 class DOMStorageDispatcherHost;
+class ExtensionMessageService;
 class Profile;
 class RenderWidgetHelper;
 class SpellChecker;
 struct ViewHostMsg_Audio_CreateStream;
 struct WebPluginInfo;
 
 namespace printing {
 class PrinterQuery;
 class PrintJobManager;
 }
@@ skipping 167 matching lines @@
       int routing_id,
       IPC::Message* reply_msg);
 #endif
   // Browser side transport DIB allocation
   void OnAllocTransportDIB(size_t size,
                            TransportDIB::Handle* result);
   void OnFreeTransportDIB(TransportDIB::Id dib_id);
 
   void OnOpenChannelToExtension(int routing_id, const std::string& extension_id,
                                 const std::string& channel_name, int* port_id);
+  void OnOpenChannelToTab(int routing_id, int tab_id,
+                          const std::string& extension_id,
+                          const std::string& channel_name, int* port_id);
 
   void OnCloseIdleConnections();
   void OnSetCacheMode(bool enabled);
 
   void OnGetFileSize(const FilePath& path, IPC::Message* reply_msg);
   void ReplyGetFileSize(int64 result, void* param);
 
 #if defined(OS_LINUX)
   void SendDelayedReply(IPC::Message* reply_msg);
   void DoOnGetScreenInfo(gfx::NativeViewId view, IPC::Message* reply_msg);
@@ skipping 39 matching lines @@
   // Helper class for handling PluginProcessHost_ResolveProxy messages (manages
   // the requests to the proxy service).
   ResolveProxyMsgHelper resolve_proxy_msg_helper_;
 
   // Contextual information to be used for requests created here.
   scoped_refptr<URLRequestContext> request_context_;
 
   // A request context specific for media resources.
   scoped_refptr<URLRequestContext> media_request_context_;
 
+  // A request context that holds a cookie store for chrome-extension URLs.
   scoped_refptr<URLRequestContext> extensions_request_context_;
 
+  // Used for routing extension messages.
+  scoped_refptr<ExtensionMessageService> extensions_message_service_;
+
   // A pointer to the profile associated with this filter.
   //
   // DANGER! Do not dereference this pointer! This class lives on the I/O thread
   // and the profile may only be used on the UI thread. It is used only for
   // determining which notifications to watch for.
   //
   // This is void* to prevent people from accidentally dereferencing it.
   // When registering for observers, cast to Profile*.
   void* profile_;
 
   scoped_refptr<RenderWidgetHelper> render_widget_helper_;
 
   // Object that should take care of audio related resource requests.
   scoped_refptr<AudioRendererHost> audio_renderer_host_;
 
   // Handles AppCache related messages.
   scoped_ptr<AppCacheDispatcherHost> app_cache_dispatcher_host_;
 
   // Handles DOM Storage related messages.
   scoped_refptr<DOMStorageDispatcherHost> dom_storage_dispatcher_host_;
 
   // Whether this process is used for off the record tabs.
   bool off_the_record_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_