Remove #pragma once from content

content/shell/shell_javascript_dialog_creator.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_JAVASCRIPT_DIALOG_CREATOR_H_
 #define CONTENT_SHELL_SHELL_JAVASCRIPT_DIALOG_CREATOR_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/javascript_dialogs.h"
 
 namespace content {
 
 class ShellJavaScriptDialog;
 
 class ShellJavaScriptDialogCreator : public JavaScriptDialogCreator {
@@ skipping 30 matching lines @@
 #else
   // TODO: implement ShellJavaScriptDialog for other platforms, drop this #if
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ShellJavaScriptDialogCreator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_JAVASCRIPT_DIALOG_CREATOR_H_