cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/test/fake_rendering_stats_instrumentation.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 CC_TEST_FAKE_RENDERING_STATS_INSTRUMENTATION_H_
+#define CC_TEST_FAKE_RENDERING_STATS_INSTRUMENTATION_H_
+
+#include "cc/debug/rendering_stats_instrumentation.h"
+
+namespace cc {
+
+class FakeRenderingStatsInstrumentation : public RenderingStatsInstrumentation {
+ public:
+  FakeRenderingStatsInstrumentation() {}
+  virtual ~FakeRenderingStatsInstrumentation() {}
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_FAKE_RENDERING_STATS_INSTRUMENTATION_H_