Standardize usage of virtual/override/final in chrome/browser/sync/

chrome/browser/sync/glue/sync_backend_registrar.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 CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_REGISTRAR_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_REGISTRAR_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 40 matching lines @@
   //
   //   1) On the UI thread, call RequestWorkerStopOnUIThread().
   //   2) UI posts task to shut down syncer on sync thread.
   //   3) If sync is disabled, call ReleaseSyncThread() on the UI thread.
   //   3) UI posts SyncBackendRegistrar::ShutDown() on sync thread to
   //      unregister workers from observing destruction of their working loops.
   //   4) Workers notify registrar when unregistration finishes or working
   //      loops are destroyed. Registrar destroys itself on last worker
   //      notification. Sync thread will be stopped if ownership was not
   //      released.
-  virtual ~SyncBackendRegistrar();
+  ~SyncBackendRegistrar() override;
 
   // Informs the SyncBackendRegistrar of the currently enabled set of types.
   // These types will be placed in the passive group.  This function should be
   // called exactly once during startup.
   void SetInitialTypes(syncer::ModelTypeSet initial_types);
 
   // Returns whether or not we are currently syncing encryption keys.
   // Must be called on the UI thread.
   bool IsNigoriEnabled() const;
 
@@ skipping 26 matching lines @@
   // UI thread and not |type|'s native thread.  Yes, this is
   // surprising: see http://crbug.com/92804.
   void DeactivateDataType(syncer::ModelType type);
 
   // Returns true only between calls to ActivateDataType(type, ...)
   // and DeactivateDataType(type).  Used only by tests.
   bool IsTypeActivatedForTest(syncer::ModelType type) const;
 
   // SyncManager::ChangeDelegate implementation.  May be called from
   // any thread.
-  virtual void OnChangesApplied(
+  void OnChangesApplied(
       syncer::ModelType model_type,
       int64 model_version,
       const syncer::BaseTransaction* trans,
       const syncer::ImmutableChangeRecordList& changes) override;
-  virtual void OnChangesComplete(syncer::ModelType model_type) override;
+  void OnChangesComplete(syncer::ModelType model_type) override;
 
   void GetWorkers(std::vector<scoped_refptr<syncer::ModelSafeWorker> >* out);
   void GetModelSafeRoutingInfo(syncer::ModelSafeRoutingInfo* out);
 
   // syncer::WorkerLoopDestructionObserver implementation.
-  virtual void OnWorkerLoopDestroyed(syncer::ModelSafeGroup group) override;
+  void OnWorkerLoopDestroyed(syncer::ModelSafeGroup group) override;
 
   // Release ownership of |sync_thread_|. Called when sync is disabled.
   scoped_ptr<base::Thread> ReleaseSyncThread();
 
   // Unregister workers from loop destruction observation.
   void Shutdown();
 
   base::Thread* sync_thread();
 
  private:
@@ skipping 59 matching lines @@
   // e.g. Shutdown() depends on |lock_|, SyncManager::Init() depends on
   // workers, etc.
   scoped_ptr<base::Thread> sync_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendRegistrar);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_REGISTRAR_H_