Remove #pragma once from content

content/utility/utility_thread_impl.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_UTILITY_UTILITY_THREAD_IMPL_H_
 #define CONTENT_UTILITY_UTILITY_THREAD_IMPL_H_
-#pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/common/child_thread.h"
 #include "content/common/content_export.h"
 #include "content/public/utility/utility_thread.h"
 
@@ skipping 42 matching lines @@
 
   // True when we're running in batch mode.
   bool batch_mode_;
 
   scoped_ptr<content::WebKitPlatformSupportImpl> webkit_platform_support_;
 
   DISALLOW_COPY_AND_ASSIGN(UtilityThreadImpl);
 };
 
 #endif  // CONTENT_UTILITY_UTILITY_THREAD_IMPL_H_