Standardize usage of virtual/override/final in components/

components/visitedlink/browser/visitedlink_master.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 COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_MASTER_H_
 #define COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_MASTER_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 67 matching lines @@
   //
   // When |suppress_rebuild| is set, we'll not attempt to load data from
   // history if the file can't be loaded. This should generally be set for
   // testing except when you want to test the rebuild process explicitly.
   VisitedLinkMaster(Listener* listener,
                     VisitedLinkDelegate* delegate,
                     bool persist_to_disk,
                     bool suppress_rebuild,
                     const base::FilePath& filename,
                     int32 default_table_size);
-  virtual ~VisitedLinkMaster();
+  ~VisitedLinkMaster() override;
 
   // Must be called immediately after object creation. Nothing else will work
   // until this is called. Returns true on success, false means that this
   // object won't work.
   bool Init();
 
   base::SharedMemory* shared_memory() { return shared_memory_; }
 
   // Adds a URL to the table.
   void AddURL(const GURL& url);
@@ skipping 337 matching lines @@
     if (hash_table_[i])
       used_count++;
   }
   DCHECK_EQ(used_count, used_items_);
 }
 #endif
 
 }  // namespace visitedlink
 
 #endif  // COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_MASTER_H_