Remove #pragma once from content

content/browser/download/save_file_manager.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.
 //
 // Objects that handle file operations for saving files, on the file thread.
 //
 // The SaveFileManager owns a set of SaveFile objects, each of which connects
 // with a SaveItem object which belongs to one SavePackage and runs on the file
 // thread for saving data in order to avoid disk activity on either network IO
 // thread or the UI thread. It coordinates the notifications from the network
@@ skipping 39 matching lines @@
 //
 //
 // The SaveFileManager tracks saving requests, mapping from a save ID (unique
 // integer created in the IO thread) to the SavePackage for the contents where
 // the saving job was initiated. In the event of a contents closure during
 // saving, the SavePackage will notify the SaveFileManage to cancel all SaveFile
 // jobs.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H_
 #define CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H_
-#pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/download/save_types.h"
 #include "content/common/content_export.h"
 
 class FilePath;
@@ skipping 170 matching lines @@
   // same time.
   typedef base::hash_map<std::string, SavePackage*> StartingRequestsMap;
   typedef base::hash_map<int, StartingRequestsMap>
       ContentsToStartingRequestsMap;
   ContentsToStartingRequestsMap contents_starting_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(SaveFileManager);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H_