Fixed a header name error in UMA statistics that record what servers accept range requests.

content/browser/download/download_resource_handler.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 96 matching lines @@
   int64 content_length_;
   DownloadFileManager* download_file_manager_;
   net::URLRequest* request_;
   bool save_as_;  // Request was initiated via "Save As" by the user.
   OnStartedCallback started_cb_;
   DownloadSaveInfo save_info_;
   scoped_refptr<content::DownloadBuffer> buffer_;
   ResourceDispatcherHost* rdh_;
   bool is_paused_;
   base::OneShotTimer<DownloadResourceHandler> pause_timer_;
-  base::TimeTicks download_start_time_;  // used to collect stats.
-  base::TimeTicks last_read_time_;        // used to collect stats.
-  size_t last_buffer_size_;               // used to collect stats.
-  int64 bytes_read_;                      // used to collect stats.
-  std::string accepts_ranges_;            // used to collect stats.
+
+  // The following are used to collect stats.
+  base::TimeTicks download_start_time_;
+  base::TimeTicks last_read_time_;
+  size_t last_buffer_size_;
+  int64 bytes_read_;
+  std::string accept_ranges_;
+
   static const int kReadBufSize = 32768;  // bytes
   static const int kThrottleTimeMs = 200;  // milliseconds
 
   DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_