Clean up sparse_histogram.h header

components/translate/core/browser/translate_ranker_metrics_provider.cc

 // Copyright 2016 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.
 
 #include "components/translate/core/browser/translate_ranker_metrics_provider.h"
 
-#include "base/metrics/sparse_histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "components/translate/core/browser/proto/translate_ranker_model.pb.h"
 #include "components/translate/core/browser/translate_ranker.h"
 
 namespace translate {
 
 TranslateRankerMetricsProvider::TranslateRankerMetricsProvider() {}
 TranslateRankerMetricsProvider::~TranslateRankerMetricsProvider() {}
 
 void TranslateRankerMetricsProvider::ProvideGeneralMetrics(
     metrics::ChromeUserMetricsExtension* /* uma_proto */) {
   // Nothing to report if the translate ranker is disabled.
   if (!TranslateRanker::IsEnabled())
     return;
 
   const TranslateRanker* translate_ranker = TranslateRanker::GetInstance();
   if (translate_ranker != nullptr) {
     UMA_HISTOGRAM_SPARSE_SLOWLY("Translate.Ranker.Model.Version",
                                 translate_ranker->GetModelVersion());
   }
 }
 
 }  // namespace translate