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

chrome/renderer/render_view.h

Index: chrome/renderer/render_view.h
diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index 7cc65cfec66826d489c0081a8eb70d46d014cf91..9d8705adf924b5b0bd73fdc4e8c3829d32e13806 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -47,6 +47,7 @@ class DevToolsAgent;
 class DevToolsClient;
 class FilePath;
 class GURL;
+class ListValue;
 class NavigationState;
 class PrintWebViewHelper;
 class WebFrame;
@@ -544,6 +545,9 @@ class RenderView : public RenderWidget,
       webkit_glue::WebAccessibility::OutParams* out_params);
   void OnClearAccessibilityInfo(int acc_obj_id, bool clear_all);
 
+  void OnExtensionMessageInvoke(const std::string& function_name,
+                                const ListValue& args);
+
   void OnMoveOrResizeStarted();
 
   // Checks if the RenderView should close, runs the beforeunload handler and