Standardize usage of virtual/override/final in components/

components/domain_reliability/util.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 COMPONENTS_DOMAIN_RELIABILITY_UTIL_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_UTIL_H_
 
 #include <map>
 
 #include "base/callback_forward.h"
@@ skipping 56 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(MockableTime);
 };
 
 // Implementation of MockableTime that passes through to
 // base::Time{,Ticks}::Now() and base::Timer.
 class DOMAIN_RELIABILITY_EXPORT ActualTime : public MockableTime {
  public:
   ActualTime();
 
-  virtual ~ActualTime();
+  ~ActualTime() override;
 
   // MockableTime implementation:
-  virtual base::Time Now() override;
-  virtual base::TimeTicks NowTicks() override;
-  virtual scoped_ptr<MockableTime::Timer> CreateTimer() override;
+  base::Time Now() override;
+  base::TimeTicks NowTicks() override;
+  scoped_ptr<MockableTime::Timer> CreateTimer() override;
 };
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_UTIL_H_