Update {virtual,override,final} to follow C++11 style.

chrome/browser/sync/profile_sync_service_android.h

 // Copyright 2013 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_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
 
 #include <jni.h>
 #include <map>
 
@@ skipping 169 matching lines @@
 
   // Returns sync internals in a JSON-formatted Java string.
   base::android::ScopedJavaLocalRef<jstring> GetAboutInfoForTest(JNIEnv* env,
                                                                  jobject obj);
 
   // Returns the integer value corresponding to the current auth error state
   // (GoogleServiceAuthError.State).
   jint GetAuthError(JNIEnv* env, jobject obj);
 
   // ProfileSyncServiceObserver:
-  virtual void OnStateChanged() override;
+  void OnStateChanged() override;
 
   // Returns a timestamp for when a sync was last executed. The return value is
   // the internal value of base::Time.
   jlong GetLastSyncedTimeForTest(JNIEnv* env, jobject obj);
 
   // Overrides ProfileSyncService's NetworkResources object. This is used to
   // set up the Sync FakeServer for testing.
   void OverrideNetworkResourcesForTest(JNIEnv* env,
                                        jobject obj,
                                        jlong network_resources);
 
   // Public for tests.
   static jlong ModelTypeSetToSelection(syncer::ModelTypeSet model_types);
 
   // Converts a bitmap of model types to a set of Java ModelTypes, and returns
   // their string descriptions separated by commas.
   static std::string ModelTypeSelectionToStringForTest(
       jlong model_type_selection);
 
   static ProfileSyncServiceAndroid* GetProfileSyncServiceAndroid();
 
   // Registers the ProfileSyncServiceAndroid's native methods through JNI.
   static bool Register(JNIEnv* env);
 
  private:
   typedef std::map<invalidation::ObjectId,
                    int64,
                    syncer::ObjectIdLessThan> ObjectIdVersionMap;
 
-  virtual ~ProfileSyncServiceAndroid();
+  ~ProfileSyncServiceAndroid() override;
   // Remove observers to profile sync service.
   void RemoveObserver();
 
   Profile* profile_;
   ProfileSyncService* sync_service_;
   // The class that handles getting, setting, and persisting sync
   // preferences.
   scoped_ptr<sync_driver::SyncPrefs> sync_prefs_;
 
   // Java-side ProfileSyncService object.
   JavaObjectWeakGlobalRef weak_java_profile_sync_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncServiceAndroid);
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_