gpu: Implement the new fence syncs in mojo command buffer.

components/mus/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 COMPONENTS_MUS_GLES2_COMMAND_BUFFER_IMPL_H_
 #define COMPONENTS_MUS_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 48 matching lines @@
                    int32_t format,
                    int32_t internal_format) override;
   void DestroyImage(int32_t id) override;
 
   bool InitializeHelper(
       mojom::CommandBufferSyncClientPtr sync_client,
       mojom::CommandBufferLostContextObserverPtr loss_observer,
       mojo::ScopedSharedBufferHandle shared_state,
       mojo::Array<int32_t> attribs);
   bool SetGetBufferHelper(int32_t buffer);
-  bool FlushHelper(int32_t put_offset);
+  bool FlushHelper(int32_t put_offset, uint32_t order_num);
   bool MakeProgressHelper(int32_t last_get_offset);
   bool RegisterTransferBufferHelper(
       int32_t id,
       mojo::ScopedSharedBufferHandle transfer_buffer,
       uint32_t size);
   bool DestroyTransferBufferHelper(int32_t id);
   bool RetireSyncPointHelper(uint32_t sync_point);
   bool EchoHelper(
       const tracked_objects::Location& from_here,
       scoped_refptr<base::SingleThreadTaskRunner> origin_task_runner,
@@ skipping 18 matching lines @@
   scoped_ptr<mojo::Binding<CommandBuffer>> binding_;
   CommandBufferImplObserver* observer_;
   base::WeakPtrFactory<CommandBufferImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_GLES2_COMMAND_BUFFER_IMPL_H_