Remove #pragma once from content

content/shell/shell_main_delegate.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.
 
 #ifndef CONTENT_SHELL_SHELL_MAIN_DELEGATE_H_
 #define CONTENT_SHELL_SHELL_MAIN_DELEGATE_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/shell/shell_content_client.h"
 #include "content/public/app/content_main_delegate.h"
 
 namespace content {
 class ShellContentBrowserClient;
 class ShellContentRendererClient;
 
@@ skipping 25 matching lines @@
   content::ShellContentClient content_client_;
 
 #if defined(OS_ANDROID)
   scoped_ptr<content::BrowserMainRunner> browser_runner_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ShellMainDelegate);
 };
 
 #endif  // CONTENT_SHELL_SHELL_MAIN_DELEGATE_H_