Remove #pragma once from content

content/public/test/web_contents_tester.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_PUBLIC_TEST_WEB_CONTENTS_TESTER_H_
 #define CONTENT_PUBLIC_TEST_WEB_CONTENTS_TESTER_H_
-#pragma once
 
 #include "content/public/common/page_transition_types.h"
 
 class GURL;
 
 namespace webkit_glue {
 struct WebPreferences;
 }
 
 namespace content {
@@ skipping 91 matching lines @@
       const Referrer& referrer,
       PageTransition transition) = 0;
 
   // Promote GetWebkitPrefs to public.
   virtual webkit_glue::WebPreferences TestGetWebkitPrefs() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_WEB_CONTENTS_TESTER_H_