Parallelizable download metrics.

content/browser/download/download_stats.h

 // Copyright (c) 2012 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.
 //
 // Holds helpers for gathering UMA stats about downloads.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_
 
 #include <stddef.h>
@@ skipping 258 matching lines @@
 // Records the bandwidth for parallelizable download and estimates the saved
 // time at the file end. Does not count in any hash computation or file
 // open/close time.
 void RecordParallelizableDownloadStats(
     size_t bytes_downloaded_with_parallel_streams,
     base::TimeDelta time_with_parallel_streams,
     size_t bytes_downloaded_without_parallel_streams,
     base::TimeDelta time_without_parallel_streams,
     bool uses_parallel_requests);
 
+// Records the average bandwidth, time, and file size for parallelizable
+// download.
+CONTENT_EXPORT void RecordParallelizableDownloadAverageStats(
+    int64_t bytes_downloaded,
+    const base::TimeDelta& time_span);
+
 // Records the parallel download creation counts and the reasons why the
 // download falls back to non-parallel download.
 void RecordParallelDownloadCreationEvent(ParallelDownloadCreationEvent event);
 
 // Record the result of a download file rename.
 void RecordDownloadFileRenameResultAfterRetry(
     base::TimeDelta time_since_first_failure,
     DownloadInterruptReason interrupt_reason);
 
 enum SavePackageEvent {
@@ skipping 34 matching lines @@
                                       const std::vector<GURL>& url_chain);
 
 void RecordDownloadSourcePageTransitionType(
     const base::Optional<ui::PageTransition>& transition);
 
 void RecordDownloadHttpResponseCode(int response_code);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_