Revert 269075 "Revert 268939 "Pass RenderFrameHost to WebContent..."

trunk/src/extensions/browser/extension_function.cc

Index: trunk/src/extensions/browser/extension_function.cc
===================================================================
--- trunk/src/extensions/browser/extension_function.cc	(revision 269108)
+++ trunk/src/extensions/browser/extension_function.cc	(working copy)
@@ -130,6 +130,16 @@
     function_->SetRenderFrameHost(NULL);
   }
 
+  virtual bool OnMessageReceived(
+      const IPC::Message& message,
+      content::RenderFrameHost* render_frame_host) OVERRIDE {
+    DCHECK(render_frame_host);
+    if (render_frame_host == function_->render_frame_host())
+      return function_->OnMessageReceived(message);
+    else
+      return false;
+  }
+
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
     return function_->OnMessageReceived(message);
   }