Added proxy / stub pair for GPU surfaces.

content/common/gpu/gpu_command_buffer_stub.cc

 // 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.
 
 #if defined(ENABLE_GPU)
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/process_util.h"
 #include "base/shared_memory.h"
 #include "build/build_config.h"
 #include "content/common/child_thread.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/gpu_watchdog.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "ui/gfx/gl/gl_context.h"
 #include "ui/gfx/gl/gl_surface.h"
 
 #if defined(OS_WIN)
 #include "base/win/wrapped_window_proc.h"
 #endif
 
 using gpu::Buffer;
 
-#if defined(OS_WIN)
-#define kCompositorWindowOwner L"CompositorWindowOwner"
-#endif  // defined(OS_WIN)
-
 GpuCommandBufferStub::GpuCommandBufferStub(
     GpuChannel* channel,
     gfx::PluginWindowHandle handle,
     GpuCommandBufferStub* parent,
     const gfx::Size& size,
     const gpu::gles2::DisallowedExtensions& disallowed_extensions,
     const std::string& allowed_extensions,
     const std::vector<int32>& attribs,
     uint32 parent_texture_id,
     int32 route_id,
@@ skipping 387 matching lines @@
       gfx::GLContext::LosesAllContextsOnContextLost()) {
     channel_->LoseAllContexts();
   } else {
     IPC::Message* msg = new GpuCommandBufferMsg_UpdateState(route_id_, state);
     msg->set_unblock(true);
     Send(msg);
   }
 }
 
 #endif  // defined(ENABLE_GPU)