Remove #pragma once from content

content/browser/tcmalloc_internals_request_job.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_BROWSER_TCMALLOC_INTERNALS_REQUEST_JOB_H_
 #define CONTENT_BROWSER_TCMALLOC_INTERNALS_REQUEST_JOB_H_
-#pragma once
 
 #include <map>
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "base/process.h"
 #include "build/build_config.h"  // USE_TCMALLOC
 #include "content/public/common/process_type.h"
 #include "net/url_request/url_request_simple_job.h"
 
 namespace content {
@@ skipping 40 matching lines @@
  protected:
   virtual ~TcmallocInternalsRequestJob() {}
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(TcmallocInternalsRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TCMALLOC_INTERNALS_REQUEST_JOB_H_