Change the PepperInProcessRouter to defer resource destruction messages.

content/renderer/pepper/pepper_in_process_router.h

 // Copyright (c) 2012 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.
 
 #include "base/callback.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/connection.h"
@@ skipping 53 matching lines @@
   // the plugin->renderer sender as well as a dummy sender to the browser
   // process. See the class comment above about the dummy sender.
   ppapi::proxy::Connection GetPluginConnection(PP_Instance instance);
 
   // Handles resource reply messages from the host.
   static bool OnPluginMsgReceived(const IPC::Message& msg);
 
  private:
   bool SendToHost(IPC::Message *msg);
   bool SendToPlugin(IPC::Message *msg);
+  void DispatchHostMsg(IPC::Message* msg);
   void DispatchPluginMsg(IPC::Message* msg);
   bool SendToBrowser(IPC::Message *msg);
 
   RendererPpapiHostImpl* host_impl_;
 
   class Channel;
   scoped_ptr<Channel> browser_channel_;
 
   // Renderer -> plugin channel.
   scoped_ptr<Channel> host_to_plugin_router_;
 
   // Plugin -> renderer channel.
   scoped_ptr<Channel> plugin_to_host_router_;
 
   // Pending sync message id.
   int pending_message_id_;
 
   // Reply deserializer of the pending sync message.
   scoped_ptr<IPC::MessageReplyDeserializer> reply_deserializer_;
 
   // Reply result of the pending sync message.
   bool reply_result_;
 
   base::WeakPtrFactory<PepperInProcessRouter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperInProcessRouter);
 };
 
 }  // namespace content