Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/preferences_private/preferences_private_api.cc

 // Copyright 2014 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/extensions/api/preferences_private/preferences_private_api.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/extensions/api/preferences_private.h"
 #include "components/sync_driver/sync_prefs.h"
 
 namespace extensions {
 
 namespace GetSyncCategoriesWithoutPassphrase =
     api::preferences_private::GetSyncCategoriesWithoutPassphrase;
 
 PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction::
 PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction() {}
 
 PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction::
 ~PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction() {}
 
 void
 PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction::OnStateChanged() {
   ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetForProfile(GetProfile());
   if (sync_service->sync_initialized()) {
     sync_service->RemoveObserver(this);
-    RunImpl();
-    Release();  // Balanced in RunImpl().
+    RunAsync();
+    Release();  // Balanced in RunAsync().
   }
 }
 
-bool PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction::RunImpl() {
+bool PreferencesPrivateGetSyncCategoriesWithoutPassphraseFunction::RunAsync() {
   ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetForProfile(GetProfile());
   if (!sync_service)
     return false;
   if (!sync_service->sync_initialized()) {
     AddRef();  // Balanced in OnStateChanged().
     sync_service->AddObserver(this);
     return true;
   }
 
@@ skipping 14 matching lines @@
       it.Inc()) {
     categories.push_back(syncer::ModelTypeToString(it.Get()));
   }
 
   results_ = GetSyncCategoriesWithoutPassphrase::Results::Create(categories);
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions