Fixed a hang in the renderer process. If the renderer process requests for a ...

chrome/browser/gpu_process_host.h

 // Copyright (c) 2010 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_GPU_PROCESS_HOST_H_
 #define CHROME_BROWSER_GPU_PROCESS_HOST_H_
 #pragma once
 
 #include <queue>
 
@@ skipping 32 matching lines @@
   void EstablishGpuChannel(int renderer_id,
                            ResourceMessageFilter* filter);
 
   // Sends a reply message later when the next GpuHostMsg_SynchronizeReply comes
   // in.
   void Synchronize(IPC::Message* reply,
                    ResourceMessageFilter* filter);
 
   // Return the stored gpu_info as this class the
   // browser's point of contact with the gpu
-  GPUInfo gpu_info() const;
+  const GPUInfo& gpu_info() const;
+
  private:
   // Used to queue pending channel requests.
   struct ChannelRequest {
     explicit ChannelRequest(ResourceMessageFilter* filter);
     ~ChannelRequest();
 
     // Used to send the reply message back to the renderer.
     scoped_refptr<ResourceMessageFilter> filter;
   };
 
@@ skipping 28 matching lines @@
   void OnGetViewXID(gfx::NativeViewId id, IPC::Message* reply_msg);
 #elif defined(OS_MACOSX)
   void OnAcceleratedSurfaceSetIOSurface(
       const GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params& params);
   void OnAcceleratedSurfaceBuffersSwapped(int32 renderer_id,
                                           int32 render_view_id,
                                           gfx::PluginWindowHandle window,
                                           uint64 surface_id);
 #endif
 
-  void ReplyToRenderer(const IPC::ChannelHandle& channel,
-                       const GPUInfo& gpu_info,
-                       ResourceMessageFilter* filter);
+  // Sends the response for establish channel request to the renderer.
+  void SendEstablishChannelReply(const IPC::ChannelHandle& channel,
+                                 const GPUInfo& gpu_info,
+                                 ResourceMessageFilter* filter);
+  // Sends the response for synchronization request to the renderer.
+  void SendSynchronizationReply(IPC::Message* reply,
+                                ResourceMessageFilter* filter);
 
   // ResourceDispatcherHost::Receiver implementation:
   virtual URLRequestContext* GetRequestContext(
       uint32 request_id,
       const ViewHostMsg_Resource_Request& request_data);
 
   virtual bool CanShutdown();
+  virtual void OnProcessCrashed();
 
   bool initialized_;
   bool initialized_successfully_;
 
   // GPUInfo class used for collecting gpu stats
   GPUInfo gpu_info_;
 
   // These are the channel requests that we have already sent to
   // the GPU process, but haven't heard back about yet.
   std::queue<ChannelRequest> sent_requests_;
 
   // The pending synchronization requests we need to reply to.
   std::queue<SynchronizationRequest> queued_synchronization_replies_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 #endif  // CHROME_BROWSER_GPU_PROCESS_HOST_H_