[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/sessions/persistent_tab_restore_service.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/sessions/persistent_tab_restore_service.h"
 
 #include <cstring>  // memcpy
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 957 matching lines @@
 
 TabRestoreService::Entries* PersistentTabRestoreService::mutable_entries() {
   return &helper_.entries_;
 }
 
 void PersistentTabRestoreService::PruneEntries() {
   helper_.PruneEntries();
 }
 
 ProfileKeyedService* TabRestoreServiceFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
-  return new PersistentTabRestoreService(profile, NULL);
+    content::BrowserContext* profile) const {
+  return new PersistentTabRestoreService(static_cast<Profile*>(profile), NULL);
 }