Use MailboxManagerSync on android.

services/gles2/command_buffer_driver.h

 // Copyright 2013 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 SERVICES_GLES2_COMMAND_BUFFER_DRIVER_H_
 #define SERVICES_GLES2_COMMAND_BUFFER_DRIVER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 51 matching lines @@
                   mojo::CommandBufferLostContextObserverPtr loss_observer,
                   mojo::ScopedSharedBufferHandle shared_state);
   void SetGetBuffer(int32_t buffer);
   void Flush(int32_t put_offset);
   void MakeProgress(int32_t last_get_offset);
   void RegisterTransferBuffer(int32_t id,
                               mojo::ScopedSharedBufferHandle transfer_buffer,
                               uint32_t size);
   void DestroyTransferBuffer(int32_t id);
   void Echo(const mojo::Callback<void()>& callback);
+  void RetireSyncPointOnGpuThread(uint32_t sync_point);
 
  private:
   bool DoInitialize(mojo::ScopedSharedBufferHandle shared_state);
   void OnResize(gfx::Size size, float scale_factor);
   bool OnWaitSyncPoint(uint32_t sync_point);
   void OnSyncPointRetired();
   void OnParseError();
   void OnContextLost(uint32_t reason);
   void OnUpdateVSyncParameters(const base::TimeTicks timebase,
                                const base::TimeDelta interval);
@@ skipping 16 matching lines @@
   base::Callback<void(int32_t)> context_lost_callback_;
 
   base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
 };
 
 }  // namespace gles2
 
 #endif  // SERVICES_GLES2_COMMAND_BUFFER_DRIVER_H_