Standardize usage of virtual/override/final in components/

components/domain_reliability/service.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_SERVICE_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_SERVICE_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 24 matching lines @@
 // and proxies (selected) method calls to it. Destruction of the Monitor (on
 // that thread) is the responsibility of the caller.
 class DOMAIN_RELIABILITY_EXPORT DomainReliabilityService
     : public KeyedService {
  public:
   // Creates a DomainReliabilityService that will contain a Monitor with the
   // given upload reporter string.
   static DomainReliabilityService* Create(
       const std::string& upload_reporter_string);
 
-  virtual ~DomainReliabilityService();
+  ~DomainReliabilityService() override;
 
   // Initializes the Service: given the task runner on which Monitor methods
   // should be called, creates the Monitor and returns it. Can be called at
   // most once, and must be called before any of the below methods can be
   // called. The caller is responsible for destroying the Monitor on the given
   // task runner when it is no longer needed.
   virtual scoped_ptr<DomainReliabilityMonitor> CreateMonitor(
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner) = 0;
 
   // Clears browsing data on the associated Monitor. |Init()| must have been
   // called first.
   virtual void ClearBrowsingData(DomainReliabilityClearMode clear_mode,
                                  const base::Closure& callback) = 0;
 
   virtual void GetWebUIData(
       const base::Callback<void(scoped_ptr<base::Value>)>& callback)
       const = 0;
 
  protected:
   DomainReliabilityService();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DomainReliabilityService);
 };
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_SERVICE_H_