Cleanup of component/metrics for GN.

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"
@@ skipping 25 matching lines @@
 
   // Getters for type and name. All types of metrics have these so we do not
   // need to check the type.
   SampleType type() const { return type_; }
   const std::string& name() const { return name_; }
 
   // Getters for sample, min, max, bucket_count.
   // Check the metric type to make sure the request make sense. (ex: a crash
   // sample does not have a bucket_count so we crash if we call bucket_count()
   // on it.)
-  const int sample() const;
-  const int min() const;
-  const int max() const;
-  const int bucket_count() const;
+  int sample() const;
+  int min() const;
+  int max() const;
+  int bucket_count() const;
 
   // Returns a serialized version of the sample.
   //
   // The serialized message for each type is:
   // crash: crash\0|name_|\0
   // user action: useraction\0|name_|\0
   // histogram: histogram\0|name_| |sample_| |min_| |max_| |bucket_count_|\0
   // sparsehistogram: sparsehistogram\0|name_| |sample_|\0
   // linearhistogram: linearhistogram\0|name_| |sample_| |max_|\0
   std::string ToString() const;
@@ skipping 50 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_