[downloads] Remove DownloadManager::RemoveAllDownloads.

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 174 matching lines @@
 void RecordOpen(const base::Time& end, bool first);
 
 // Record whether or not the server accepts ranges, and the download size. Also
 // counts if a strong validator is supplied. The combination of range request
 // support and ETag indicates downloads that are candidates for partial
 // resumption.
 void RecordAcceptsRanges(const std::string& accepts_ranges,
                          int64_t download_len,
                          bool has_strong_validator);
 
-// Record the number of downloads removed by ClearAll.
-void RecordClearAllSize(int size);
-
 // Record the number of completed unopened downloads when a download is opened.
 void RecordOpensOutstanding(int size);
 
 // Record how long we block the file thread at a time.
 void RecordContiguousWriteTime(base::TimeDelta time_blocked);
 
 // Record the percentage of time we had to block the network (i.e.
 // how often, for each download, something other than the network
 // was the bottleneck).
 void RecordNetworkBlockage(base::TimeDelta resource_handler_lifetime,
@@ skipping 42 matching lines @@
 // enum.
 void RecordOriginStateOnResumption(bool is_partial,
                                    int state);
 
 void RecordDownloadConnectionSecurity(const GURL& download_url,
                                       const std::vector<GURL>& url_chain);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_