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

content/common/gpu/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_
+
+#include "base/macros.h"
+
+namespace content {
+
+// 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
+
+#endif  // CONTENT_COMMON_GPU_GPU_WATCHDOG_H_