[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/sync/profile_sync_service_factory.cc

 // 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.
 
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
@@ skipping 62 matching lines @@
   // told to DestroyProfileServices, so they will be around when the
   // ProfileSyncService is destroyed.
 
   // DependsOn(FaviconServiceFactory::GetInstance());
 }
 
 ProfileSyncServiceFactory::~ProfileSyncServiceFactory() {
 }
 
 ProfileKeyedService* ProfileSyncServiceFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+
   ProfileSyncService::StartBehavior behavior =
       browser_defaults::kSyncAutoStarts ? ProfileSyncService::AUTO_START
                                         : ProfileSyncService::MANUAL_START;
 
   SigninManager* signin = SigninManagerFactory::GetForProfile(profile);
 
   // TODO(atwilson): Change AboutSigninInternalsFactory to load on startup
   // once http://crbug.com/171406 has been fixed.
   AboutSigninInternalsFactory::GetForProfile(profile);
 
@@ skipping 12 matching lines @@
 
   pss->factory()->RegisterDataTypes(pss);
   pss->Initialize();
   return pss;
 }
 
 // static
 bool ProfileSyncServiceFactory::HasProfileSyncService(Profile* profile) {
   return GetInstance()->GetServiceForProfile(profile, false) != NULL;
 }