Refactor content/common/gpu into gpu/ipc/service

gpu/ipc/service/gpu_watchdog.h

 // Copyright (c) 2012 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 CONTENT_COMMON_GPU_GPU_WATCHDOG_H_
-#define CONTENT_COMMON_GPU_GPU_WATCHDOG_H_
+#ifndef GPU_IPC_SERVICE_GPU_WATCHDOG_H_
+#define GPU_IPC_SERVICE_GPU_WATCHDOG_H_
 
 #include "base/macros.h"
 
-namespace content {
+namespace gpu {
 
 // Interface for objects that monitor the a GPUProcessor's progress. The
 // GPUProcessor will regularly invoke CheckArmed.
 class GpuWatchdog {
  public:
   virtual void CheckArmed() = 0;
 
  protected:
   GpuWatchdog() {}
   virtual ~GpuWatchdog() {};
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GpuWatchdog);
 };
 
-}  // namespace content
+}  // namespace gpu
 
-#endif  // CONTENT_COMMON_GPU_GPU_WATCHDOG_H_
+#endif  // GPU_IPC_SERVICE_GPU_WATCHDOG_H_