Implement future sync points in gpu service

mojo/services/gles2/command_buffer_impl.h

 // Copyright 2014 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 MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_
 #define MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 23 matching lines @@
   void Initialize(CommandBufferSyncClientPtr sync_client,
                   CommandBufferSyncPointClientPtr sync_point_client,
                   ScopedSharedBufferHandle shared_state) override;
   void SetGetBuffer(int32_t buffer) override;
   void Flush(int32_t put_offset) override;
   void MakeProgress(int32_t last_get_offset) override;
   void RegisterTransferBuffer(int32_t id,
                               ScopedSharedBufferHandle transfer_buffer,
                               uint32_t size) override;
   void DestroyTransferBuffer(int32_t id) override;
-  void InsertSyncPoint() override;
+  void InsertSyncPoint(bool retire) override;
+  void RetireSyncPoint(uint32_t sync_point) override;
   void Echo(const Callback<void()>& callback) override;
 
  private:
   void BindToRequest(InterfaceRequest<CommandBuffer> request);
   void OnContextLost(int32_t reason);
 
   scoped_refptr<gpu::SyncPointManager> sync_point_manager_;
   scoped_refptr<base::SingleThreadTaskRunner> driver_task_runner_;
   scoped_ptr<CommandBufferDriver> driver_;
   CommandBufferSyncPointClientPtr sync_point_client_;
   StrongBinding<CommandBuffer> binding_;
 
   base::WeakPtrFactory<CommandBufferImpl> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_