Standardize usage of virtual/override/final in components/

components/autofill/core/browser/webdata/autofill_change.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 COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_CHANGE_H__
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_CHANGE_H__
 
 #include <vector>
 
 #include "components/autofill/core/browser/webdata/autofill_entry.h"
@@ skipping 23 matching lines @@
       : type_(type),
         key_(key) {}
  private:
   Type type_;
   KeyType key_;
 };
 
 class AutofillChange : public GenericAutofillChange<AutofillKey> {
  public:
   AutofillChange(Type type, const AutofillKey& key);
-  virtual ~AutofillChange();
+  ~AutofillChange() override;
   bool operator==(const AutofillChange& change) const {
     return type() == change.type() && key() == change.key();
   }
 };
 
 typedef std::vector<AutofillChange> AutofillChangeList;
 
 // Change notification details for Autofill profile changes.
 class AutofillProfileChange : public GenericAutofillChange<std::string> {
  public:
   // The |type| input specifies the change type.  The |key| input is the key,
   // which is expected to be the GUID identifying the |profile|.
   // When |type| == ADD, |profile| should be non-NULL.
   // When |type| == UPDATE, |profile| should be non-NULL.
   // When |type| == REMOVE, |profile| should be NULL.
   AutofillProfileChange(Type type,
                         const std::string& key,
                         const AutofillProfile* profile);
-  virtual ~AutofillProfileChange();
+  ~AutofillProfileChange() override;
 
   const AutofillProfile* profile() const { return profile_; }
   bool operator==(const AutofillProfileChange& change) const;
 
  private:
   // Weak reference, can be NULL.
   const AutofillProfile* profile_;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_CHANGE_H__