Cleanup: IWYU for base/gtest_prod_util.h.

components/metrics/serialization/metric_sample.h

 // Copyright 2014 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 COMPONENTS_METRICS_SERIALIZATION_METRIC_SAMPLE_H_
 #define COMPONENTS_METRICS_SERIALIZATION_METRIC_SAMPLE_H_
 
 #include <string>
 
-#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace metrics {
 
 // This class is used by libmetrics (ChromeOS) to serialize
 // and deserialize measurements to send them to a metrics sending service.
 // It is meant to be a simple container with serialization functions.
 class MetricSample {
  public:
@@ skipping 89 matching lines @@
   const int min_;
   const int max_;
   const int bucket_count_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricSample);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_SERIALIZATION_METRIC_SAMPLE_H_