Changed previews component to be a layered component.

components/previews/core/previews_data_savings.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/previews/previews_data_savings.h"
+#include "components/previews/core/previews_data_savings.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "components/data_reduction_proxy/core/common/data_savings_recorder.h"
 
 namespace previews {
 
 PreviewsDataSavings::PreviewsDataSavings(
     data_reduction_proxy::DataSavingsRecorder* data_savings_recorder)
     : data_savings_recorder_(data_savings_recorder) {
@@ skipping 46 matching lines @@
                              (original_size - data_used) * 100 / original_size);
   } else {
     UMA_HISTOGRAM_COUNTS("Previews.DataInflation.DataSaverEnabled",
                          (data_used - original_size) >> 10);
     UMA_HISTOGRAM_PERCENTAGE("Previews.DataInflationPercent.DataSaverEnabled",
                              (data_used - original_size) * 100 / data_used);
   }
 }
 
 }  // namespace previews