Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/input_method.

chrome/browser/chromeos/input_method/input_method_syncer.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_SYNCER_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_SYNCER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
 // Changes to local preferences are handed up to the sync server. But Chrome OS
 // should not locally apply the corresponding preferences from the sync server,
 // except once: when the user first logs into the device.
 // Thus, the user's most recent changes to language and input method preferences
 // will be brought down when signing in to a new device but not in future syncs.
 class InputMethodSyncer : public PrefServiceSyncableObserver {
  public:
   InputMethodSyncer(
       PrefServiceSyncable* prefs,
       scoped_refptr<input_method::InputMethodManager::State> ime_state);
-  virtual ~InputMethodSyncer();
+  ~InputMethodSyncer() override;
 
   // Registers the syncable input method prefs.
   static void RegisterProfilePrefs(
       user_prefs::PrefRegistrySyncable* registry);
 
   // Must be called after InputMethodSyncer is created.
   void Initialize();
 
  private:
   // Adds the input methods from the syncable prefs to the device-local prefs.
@@ skipping 36 matching lines @@
   // Used to ignore PrefChanged events while InputMethodManager is merging.
   bool merging_;
 
   base::WeakPtrFactory<InputMethodSyncer> weak_factory_;
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_SYNCER_H_