Remove #pragma once from content

content/browser/download/save_file.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_SAVE_FILE_H_
 #define CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/download/base_file.h"
 #include "content/browser/download/save_types.h"
 
 // SaveFile ----------------------------------------------------------------
 
 // These objects live exclusively on the file thread and handle the writing
@@ skipping 30 matching lines @@
   }
 
  private:
   BaseFile file_;
   scoped_ptr<const SaveFileCreateInfo> info_;
 
   DISALLOW_COPY_AND_ASSIGN(SaveFile);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_H_