mustash: gpu: implement SignalQuery in CommandBufferLocal

components/mus/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 COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 #define COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 69 matching lines @@
   gpu::CommandBuffer::State GetLastState() const;
   gpu::CommandBufferNamespace GetNamespaceID() const {
     return command_buffer_namespace_;
   }
   uint64_t GetCommandBufferID() const { return command_buffer_id_; }
   gpu::SyncPointOrderData* sync_point_order_data() {
     return sync_point_order_data_.get();
   }
   uint32_t GetUnprocessedOrderNum() const;
   uint32_t GetProcessedOrderNum() const;
+  gpu::gles2::GLES2Decoder* GetDecoder() { return decoder_.get(); }
 
  private:
   bool MakeCurrent();
 
   // Process pending queries and call |ScheduleDelayedWork| to schedule
   // processing of delayed work.
   void ProcessPendingAndIdleWork();
 
   // Schedule processing of delayed work. This updates the time at which
   // delayed work should be processed. |process_delayed_work_time_| is
@@ skipping 39 matching lines @@
   base::TimeTicks last_idle_time_;
 
   base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_