Add OVERRIDE to gpu/ and gl/.

gpu/command_buffer/service/gpu_scheduler.h

 // Copyright (c) 2011 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_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_
 
 #include <queue>
 
 #include "base/callback.h"
@@ skipping 31 matching lines @@
   void SetScheduled(bool is_scheduled);
 
   // Returns whether the scheduler is currently scheduled to process commands.
   bool IsScheduled();
 
   // Sets a callback that is invoked just before scheduler is rescheduled.
   // Takes ownership of callback object.
   void SetScheduledCallback(Callback0::Type* scheduled_callback);
 
   // Implementation of CommandBufferEngine.
-  virtual Buffer GetSharedMemoryBuffer(int32 shm_id);
-  virtual void set_token(int32 token);
-  virtual bool SetGetOffset(int32 offset);
-  virtual int32 GetGetOffset();
+  virtual Buffer GetSharedMemoryBuffer(int32 shm_id) OVERRIDE;
+  virtual void set_token(int32 token) OVERRIDE;
+  virtual bool SetGetOffset(int32 offset) OVERRIDE;
+  virtual int32 GetGetOffset() OVERRIDE;
 
   void SetCommandProcessedCallback(Callback0::Type* callback);
 
   void DeferToFence(base::Closure task);
 
  private:
 
   // The GpuScheduler holds a weak reference to the CommandBuffer. The
   // CommandBuffer owns the GpuScheduler and holds a strong reference to it
   // through the ProcessCommands callback.
@@ skipping 23 matching lines @@
   };
   std::queue<UnscheduleFence> unschedule_fences_;
 
   scoped_ptr<Callback0::Type> scheduled_callback_;
   scoped_ptr<Callback0::Type> command_processed_callback_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_