Remove #pragma once from content

content/public/browser/cert_store.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_CERT_STORE_H_
 #define CONTENT_PUBLIC_BROWSER_CERT_STORE_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 
 namespace net {
 class X509Certificate;
 }
 
 namespace content {
 
@@ skipping 25 matching lines @@
   virtual bool RetrieveCert(int cert_id,
                             scoped_refptr<net::X509Certificate>* cert) = 0;
 
  protected:
    virtual ~CertStore() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CERT_STORE_H_