Remove #pragma once from content

content/public/test/mock_resource_context.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_MOCK_RESOURCE_CONTEXT_H_
 #define CONTENT_PUBLIC_TEST_MOCK_RESOURCE_CONTEXT_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/resource_context.h"
 
 namespace content {
 
 class MockResourceContext : public ResourceContext {
  public:
   MockResourceContext();
   virtual ~MockResourceContext();
 
   // ResourceContext implementation:
   virtual net::HostResolver* GetHostResolver() OVERRIDE;
   virtual net::URLRequestContext* GetRequestContext() OVERRIDE;
 
  private:
   scoped_ptr<net::URLRequestContext> test_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(MockResourceContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_MOCK_RESOURCE_CONTEXT_H_