Readability review.

counter_mock.h

 // Copyright (c) 2010 The Chromium OS 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 METRICS_COUNTER_MOCK_H_
 #define METRICS_COUNTER_MOCK_H_
 
 #include <string>
 
 #include <gmock/gmock.h>
 
 #include "counter.h"
 
 namespace chromeos_metrics {
 
 class TaggedCounterMock : public TaggedCounterInterface {
  public:
   MOCK_METHOD3(Init, void(const char* filename,
                           Reporter reporter, void* reporter_handle));
   MOCK_METHOD2(Update, void(int tag, int count));
   MOCK_METHOD0(Flush, void());
 };
 
 }  // namespace chromeos_metrics
 
 #endif  // METRICS_COUNTER_MOCK_H_
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