[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/history/web_history_service_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_HISTORY_WEB_HISTORY_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_HISTORY_WEB_HISTORY_SERVICE_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
 namespace history {
 class WebHistoryService;
 }
 
 // Used for creating and fetching a per-profile instance of the
 // WebHistoryService.
 class WebHistoryServiceFactory : public ProfileKeyedServiceFactory {
  public:
   // Get the singleton instance of the factory.
   static WebHistoryServiceFactory* GetInstance();
 
   // Get the WebHistoryService for |profile|, creating one if needed.
   static history::WebHistoryService* GetForProfile(Profile* profile);
 
  protected:
   // Overridden from ProfileKeyedServiceFactory.
   virtual ProfileKeyedService* BuildServiceInstanceFor(
-      Profile* profile) const OVERRIDE;
+      content::BrowserContext* context) const OVERRIDE;
 
  private:
   friend struct DefaultSingletonTraits<WebHistoryServiceFactory>;
 
   explicit WebHistoryServiceFactory();
   virtual ~WebHistoryServiceFactory();
 
   DISALLOW_COPY_AND_ASSIGN(WebHistoryServiceFactory);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_WEB_HISTORY_SERVICE_FACTORY_H_