Remove #pragma once from content

content/public/browser/load_notification_details.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_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
 #define CONTENT_PUBLIC_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
-#pragma once
 
 #include "base/time.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 
 namespace content {
 
 // The LoadNotificationDetails object contains additional details about a
 // page load that has been completed.  It was created to let the MetricsService
@@ skipping 22 matching lines @@
   // The type of action that caused the load.
   PageTransition origin;
 
   // The NavigationController for the load.
   NavigationController* controller;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_LOAD_NOTIFICATION_DETAILS_H_