Remove #pragma once from content

content/browser/debugger/render_view_devtools_agent_host.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_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
-#pragma once
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/browser/debugger/devtools_agent_host.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/render_view_host_observer.h"
 
 namespace content {
@@ skipping 24 matching lines @@
   void OnClearBrowserCookies();
 
   RenderViewHost* render_view_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_