Remove #pragma once from content

content/browser/renderer_host/resource_handler.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.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the RenderProcessHosts, and dispatches them to URLRequests. It then
 // fowards the messages from the URLRequests back to the correct process for
 // handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_
-#pragma once
 
 #include <string>
 
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_thread.h"
 
 class GURL;
 
@@ skipping 83 matching lines @@
   ResourceHandler() : controller_(NULL) {}
   ResourceController* controller() { return controller_; }
 
  private:
   ResourceController* controller_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_