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

components/mus/gles2/command_buffer_driver.h

Index: components/mus/gles2/command_buffer_driver.h
diff --git a/components/mus/gles2/command_buffer_driver.h b/components/mus/gles2/command_buffer_driver.h
index 8703633f97f1b5f62b6b21f8a79808f486751fb4..2693ce4101618b223b8a458e77b08d0b711c1f51 100644
--- a/components/mus/gles2/command_buffer_driver.h
+++ b/components/mus/gles2/command_buffer_driver.h
@@ -19,6 +19,8 @@ namespace gpu {
 class CommandBufferService;
 class GpuScheduler;
 class GpuControlService;
+class SyncPointClient;
+class SyncPointOrderData;
 namespace gles2 {
 class GLES2Decoder;
 }
@@ -85,12 +87,15 @@ class CommandBufferDriver {
   void OnContextLost(uint32_t reason);
   void DestroyDecoder();
 
+  const uint64_t command_buffer_id_;
   scoped_ptr<Client> client_;
   mojom::CommandBufferSyncClientPtr sync_client_;
   mojom::CommandBufferLostContextObserverPtr loss_observer_;
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
   scoped_ptr<gpu::GpuScheduler> scheduler_;
+  scoped_refptr<gpu::SyncPointOrderData> sync_point_order_data_;

[David Yen, 2015/11/20 00:47:14]

This would make it depend on the other CL, but the sync point order data
probably needs to be assigned in the command task runner since that is the
central location of queuing the tasks.

[Peng, 2015/11/20 20:32:15]

Done.

+  scoped_ptr<gpu::SyncPointClient> sync_point_client_;
   scoped_refptr<gfx::GLContext> context_;
   scoped_refptr<gfx::GLSurface> surface_;
   scoped_refptr<GpuState> gpu_state_;