[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/spellchecker/spellcheck_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/spellchecker/spellcheck_factory.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
@@ skipping 16 matching lines @@
 SpellcheckServiceFactory::SpellcheckServiceFactory()
     : ProfileKeyedServiceFactory("SpellcheckService",
                                  ProfileDependencyManager::GetInstance()) {
   // TODO(erg): Uncomment these as they are initialized.
   // DependsOn(RequestContextFactory::GetInstance());
 }
 
 SpellcheckServiceFactory::~SpellcheckServiceFactory() {}
 
 ProfileKeyedService* SpellcheckServiceFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+
   // Many variables are initialized from the profile in the SpellcheckService.
   DCHECK(profile);
   SpellcheckService* spellcheck = new SpellcheckService(profile);
 
   // Instantiates Metrics object for spellchecking for use.
   spellcheck->StartRecordingMetrics(
       profile->GetPrefs()->GetBoolean(prefs::kEnableContinuousSpellcheck));
 
   return spellcheck;
 }
@@ skipping 19 matching lines @@
                                   PrefRegistrySyncable::SYNCABLE_PREF);
 }
 
 bool SpellcheckServiceFactory::ServiceRedirectedInIncognito() const {
   return true;
 }
 
 bool SpellcheckServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }