Remove #pragma once from content

content/test/test_render_view_host_factory.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_TEST_TEST_RENDER_VIEW_HOST_FACTORY_H_
 #define CONTENT_TEST_TEST_RENDER_VIEW_HOST_FACTORY_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 
 namespace content {
 
 class SiteInstance;
 class RenderViewHostDelegate;
 class RenderProcessHostFactory;
@@ skipping 28 matching lines @@
   // happens before the RenderProcessHost is created. This way, the instance
   // has the correct factory and creates our special RenderProcessHosts.
   content::RenderProcessHostFactory* render_process_host_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRenderViewHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_RENDER_VIEW_HOST_FACTORY_H_