Revert 93066 - Execute all GL commands up to the put offset reported by a each flush.This means g...

content/renderer/gpu/command_buffer_proxy.h

 // Copyright (c) 2011 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 CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_
 #define CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 31 matching lines @@
   virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void OnChannelError();
 
   int route_id() const { return route_id_; }
 
   // CommandBuffer implementation:
   virtual bool Initialize(int32 size);
   virtual bool Initialize(base::SharedMemory* buffer, int32 size);
   virtual gpu::Buffer GetRingBuffer();
   virtual State GetState();
-  virtual State GetLastState();
   virtual void Flush(int32 put_offset);
   virtual State FlushSync(int32 put_offset, int32 last_known_get);
   virtual void SetGetOffset(int32 get_offset);
   virtual int32 CreateTransferBuffer(size_t size, int32 id_request);
   virtual int32 RegisterTransferBuffer(base::SharedMemory* shared_memory,
                                        size_t size,
                                        int32 id_request);
   virtual void DestroyTransferBuffer(int32 id);
   virtual gpu::Buffer GetTransferBuffer(int32 handle);
   virtual void SetToken(int32 token);
@@ skipping 28 matching lines @@
   // notified of an error later.
   scoped_refptr<GpuVideoDecodeAcceleratorHost> CreateVideoDecoder(
       const std::vector<uint32>& configs,
       gpu::CommandBufferHelper* cmd_buffer_helper,
       media::VideoDecodeAccelerator::Client* client);
 
 #if defined(OS_MACOSX)
   virtual void SetWindowSize(const gfx::Size& size);
 #endif
 
+  // Get the last state received from the service without synchronizing.
+  State GetLastState() {
+    return last_state_;
+  }
+
  private:
 
   // Send an IPC message over the GPU channel. This is private to fully
   // encapsulate the channel; all callers of this function must explicitly
   // verify that the context has not been lost.
   bool Send(IPC::Message* msg);
 
   // Message handlers:
   void OnUpdateState(const gpu::CommandBuffer::State& state);
   void OnNotifyRepaint();
@@ skipping 22 matching lines @@
 
   scoped_ptr<Callback0::Type> swap_buffers_callback_;
   scoped_ptr<Callback0::Type> channel_error_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxy);
 };
 
 #endif  // ENABLE_GPU
 
 #endif  // CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_