Snackbar for promoting Data Saver to existing users

components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.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_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_COMPRESSION_STATS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_COMPRESSION_STATS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
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   // Returns the time in milliseconds since epoch that the last update was made
   // to the daily original and received content lengths.
   int64_t GetLastUpdateTime();
 
   // Resets daily content length statistics.
   void ResetStatistics();
 
   // Clears all data saving statistics.
   void ClearDataSavingStatistics();
 
+  // Returns the total size of all HTTP content received from the network.
+  int64_t GetHttpReceivedContentLength();
+
+  // Returns the value the total original size of all HTTP content received from
+  // the network.
+  int64_t GetHttpOriginalContentLength();
+
   // Returns a list of all the daily content lengths.
   ContentLengthList GetDailyContentLengths(const char* pref_name);
 
   // Returns aggregate received and original content lengths over the specified
   // number of days, as well as the time these stats were last updated.
   void GetContentLengths(unsigned int days,
                          int64_t* original_content_length,
                          int64_t* received_content_length,
                          int64_t* last_update_time);
 
@@ skipping 163 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<DataReductionProxyCompressionStats> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyCompressionStats);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_COMPRESSION_STATS_H_