Add shutdown notification and service refs to SyncServiceObserver.

components/password_manager/sync/browser/password_data_type_controller.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 COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_PASSWORD_DATA_TYPE_CONTROLLER_H__
 #define COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_PASSWORD_DATA_TYPE_CONTROLLER_H__
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 23 matching lines @@
   ~PasswordDataTypeController() override;
 
  protected:
   // AsyncDirectoryTypeController interface.
   bool PostTaskOnModelThread(const tracked_objects::Location& from_here,
                              const base::Closure& task) override;
   bool StartModels() override;
   void StopModels() override;
 
   // syncer::SyncServiceObserver:
-  void OnStateChanged() override;
+  void OnStateChanged(syncer::SyncService* sync) override;
 
  private:
   syncer::SyncClient* const sync_client_;
   const base::Closure state_changed_callback_;
   scoped_refptr<password_manager::PasswordStore> password_store_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordDataTypeController);
 };
 
 }  // namespace browser_sync
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_PASSWORD_DATA_TYPE_CONTROLLER_H__