Standardize usage of virtual/override/final in components/

components/invalidation/invalidation_service_test_template.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.
 
 // This class defines tests that implementations of InvalidationService should
 // pass in order to be conformant.  Here's how you use it to test your
 // implementation.
 //
 // Say your class is called MyInvalidationService.  Then you need to define a
 // class called MyInvalidationServiceTestDelegate in
@@ skipping 321 matching lines @@
 
 namespace internal {
 
 // A FakeInvalidationHandler that is "bound" to a specific
 // InvalidationService.  This is for cross-referencing state information with
 // the bound InvalidationService.
 class BoundFakeInvalidationHandler : public syncer::FakeInvalidationHandler {
  public:
   explicit BoundFakeInvalidationHandler(
       const invalidation::InvalidationService& invalidator);
-  virtual ~BoundFakeInvalidationHandler();
+  ~BoundFakeInvalidationHandler() override;
 
   // Returns the last return value of GetInvalidatorState() on the
   // bound invalidator from the last time the invalidator state
   // changed.
   syncer::InvalidatorState GetLastRetrievedState() const;
 
   // InvalidationHandler implementation.
-  virtual void OnInvalidatorStateChange(
-      syncer::InvalidatorState state) override;
+  void OnInvalidatorStateChange(syncer::InvalidatorState state) override;
 
  private:
   const invalidation::InvalidationService& invalidator_;
   syncer::InvalidatorState last_retrieved_state_;
 
   DISALLOW_COPY_AND_ASSIGN(BoundFakeInvalidationHandler);
 };
 
 }  // namespace internal
 
@@ skipping 17 matching lines @@
             handler.GetLastRetrievedState());
 
   invalidator->UnregisterInvalidationHandler(&handler);
 }
 
 REGISTER_TYPED_TEST_CASE_P(InvalidationServiceTest,
                            Basic, MultipleHandlers, EmptySetUnregisters,
                            GetInvalidatorStateAlwaysCurrent);
 
 #endif  // COMPONENTS_INVALIDATION_INVALIDATION_SERVICE_TEST_TEMPLATE_H_