Remove #pragma once from content

content/public/common/serialized_script_value.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_PUBLIC_COMMON_SERIALIZED_SCRIPT_VALUE_H_
 #define CONTENT_PUBLIC_COMMON_SERIALIZED_SCRIPT_VALUE_H_
-#pragma once
 
 #include "base/string16.h"
 #include "content/common/content_export.h"
 
 namespace WebKit {
 class WebSerializedScriptValue;
 }
 
 namespace content {
 
@@ skipping 19 matching lines @@
 
  private:
   bool is_null_; // Is this null? If so, none of the other properties are valid.
   bool is_invalid_; // Is data_ valid?
   string16 data_; // The wire string format of the serialized script value.
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SERIALIZED_SCRIPT_VALUE_H_