content: Make sure all CreateGpuMemoryBuffer messages are handled.

content/gpu/gpu_child_thread.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.
 
 #ifndef CONTENT_GPU_GPU_CHILD_THREAD_H_
 #define CONTENT_GPU_GPU_CHILD_THREAD_H_
 
 #include <queue>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "content/child/child_thread_impl.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_config.h"
 #include "content/common/gpu/x_util.h"
 #include "gpu/config/gpu_info.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace sandbox {
 class TargetServices;
 }
 
 namespace content {
+class GpuMemoryBufferFactory;
 class GpuWatchdogThread;
 
 // The main thread of the GPU child process. There will only ever be one of
 // these per process. It does process initialization and shutdown. It forwards
 // IPC messages to GpuChannelManager, which is responsible for issuing rendering
 // commands to the GPU.
 class GpuChildThread : public ChildThreadImpl {
  public:
   typedef std::queue<IPC::Message*> DeferredMessages;
 
-  explicit GpuChildThread(GpuWatchdogThread* gpu_watchdog_thread,
-                          bool dead_on_arrival,
-                          const gpu::GPUInfo& gpu_info,
-                          const DeferredMessages& deferred_messages);
+  GpuChildThread(GpuWatchdogThread* gpu_watchdog_thread,
+                 bool dead_on_arrival,
+                 const gpu::GPUInfo& gpu_info,
+                 const DeferredMessages& deferred_messages,
+                 GpuMemoryBufferFactory* gpu_memory_buffer_factory);
 
   explicit GpuChildThread(const InProcessChildThreadParams& params);
 
   ~GpuChildThread() override;
 
   void Shutdown() override;
 
   void Init(const base::Time& process_start_time);
   void StopWatchdog();
 
@@ skipping 33 matching lines @@
 
   // Information about the GPU, such as device and vendor ID.
   gpu::GPUInfo gpu_info_;
 
   // Error messages collected in gpu_main() before the thread is created.
   DeferredMessages deferred_messages_;
 
   // Whether the GPU thread is running in the browser process.
   bool in_browser_process_;
 
+  // The GpuMemoryBufferFactory instance used to allocate GpuMemoryBuffers.
+  GpuMemoryBufferFactory* const gpu_memory_buffer_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuChildThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_CHILD_THREAD_H_