gpu: Add SequenceId for identifying sync point sequences.

gpu/ipc/in_process_command_buffer.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 GPU_IPC_IN_PROCESS_COMMAND_BUFFER_H_
 #define GPU_IPC_IN_PROCESS_COMMAND_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 33 matching lines @@
 class GLShareGroup;
 class GLSurface;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace gpu {
 
-class SyncPointClient;
+class SyncPointClientState;
 class SyncPointOrderData;
 class SyncPointManager;
 struct GpuProcessHostedCALayerTreeParamsMac;
 
 namespace gles2 {
 struct ContextCreationAttribHelper;
 class FramebufferCompletenessCache;
 class GLES2Decoder;
 class MailboxManager;
 class ProgramCache;
@@ skipping 204 matching lines @@
   // creation):
   bool waiting_for_sync_point_ = false;
 
   scoped_refptr<base::SingleThreadTaskRunner> origin_task_runner_;
   scoped_refptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   std::unique_ptr<CommandExecutor> executor_;
   std::unique_ptr<gles2::GLES2Decoder> decoder_;
   scoped_refptr<gl::GLContext> context_;
   scoped_refptr<gl::GLSurface> surface_;
   scoped_refptr<SyncPointOrderData> sync_point_order_data_;
-  std::unique_ptr<SyncPointClient> sync_point_client_;
+  scoped_refptr<SyncPointClientState> sync_point_client_state_;
   base::Closure context_lost_callback_;
   // Used to throttle PerformDelayedWorkOnGpuThread.
   bool delayed_work_pending_;
   ImageFactory* image_factory_;
 
   // Members accessed on the client thread:
   GpuControlClient* gpu_control_client_;
 #if DCHECK_IS_ON()
   bool context_lost_;
 #endif
@@ skipping 38 matching lines @@
   base::WeakPtr<InProcessCommandBuffer> gpu_thread_weak_ptr_;
   base::WeakPtrFactory<InProcessCommandBuffer> client_thread_weak_ptr_factory_;
   base::WeakPtrFactory<InProcessCommandBuffer> gpu_thread_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessCommandBuffer);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_IN_PROCESS_COMMAND_BUFFER_H_