Remove #pragma once from content

content/public/common/process_type.h

 // Copyright (c) 2009 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_PROCESS_TYPE_H_
 #define CONTENT_PUBLIC_COMMON_PROCESS_TYPE_H_
-#pragma once
 
 #include <string>
 
 #include "content/common/content_export.h"
 
 namespace content {
 
 // Defines the different process types.
 // NOTE: Do not remove or reorder the elements in this enum, and only add new
 // items at the end, right before MAX_PROCESS. We depend on these specific
@@ skipping 16 matching lines @@
   PROCESS_TYPE_MAX
 };
 
 // Returns an English name of the process type, should only be used for non
 // user-visible strings, or debugging pages like about:memory.
 CONTENT_EXPORT std::string GetProcessTypeNameInEnglish(ProcessType type);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_PROCESS_TYPE_H_