[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/prerender/prerender_link_manager_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 CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_FACTORY_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_FACTORY_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
 class Profile;
 
 namespace prerender {
 
 class PrerenderLinkManager;
 
 class PrerenderLinkManagerFactory : public ProfileKeyedServiceFactory {
  public:
   static PrerenderLinkManager* GetForProfile(Profile* profile);
   static PrerenderLinkManagerFactory* GetInstance();
 
  private:
   friend struct DefaultSingletonTraits<PrerenderLinkManagerFactory>;
 
   PrerenderLinkManagerFactory();
   virtual ~PrerenderLinkManagerFactory() { }
 
   virtual ProfileKeyedService* BuildServiceInstanceFor(
-      Profile* profile) const OVERRIDE;
+      content::BrowserContext* profile) const OVERRIDE;
   virtual bool ServiceHasOwnInstanceInIncognito() const OVERRIDE;
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_FACTORY_H_