Standardize usage of virtual/override/final in components/

components/precache/content/precache_manager.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_PRECACHE_CONTENT_PRECACHE_MANAGER_H_
 #define COMPONENTS_PRECACHE_CONTENT_PRECACHE_MANAGER_H_
 
 #include <list>
 
 #include "base/callback.h"
@@ skipping 25 matching lines @@
 // otherwise.
 // TODO(sclittle): Delete precache history when browsing history is deleted.
 // http://crbug.com/326549
 class PrecacheManager : public KeyedService,
                         public PrecacheFetcher::PrecacheDelegate,
                         public base::SupportsWeakPtr<PrecacheManager> {
  public:
   typedef base::Closure PrecacheCompletionCallback;
 
   explicit PrecacheManager(content::BrowserContext* browser_context);
-  virtual ~PrecacheManager();
+  ~PrecacheManager() override;
 
   // Returns true if precaching is enabled as part of a field trial or by the
   // command line flag. This method can be called on any thread.
   static bool IsPrecachingEnabled();
 
   // Returns true if precaching is allowed for the browser context.
   bool IsPrecachingAllowed();
 
   // Starts precaching resources that the user is predicted to fetch in the
   // future. If precaching is already currently in progress, then this method
@@ skipping 10 matching lines @@
   bool IsPrecaching() const;
 
   // Update precache-related metrics in response to a URL being fetched.
   void RecordStatsForFetch(const GURL& url,
                            const base::Time& fetch_time,
                            int64 size,
                            bool was_cached);
 
  private:
   // From KeyedService.
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // From PrecacheFetcher::PrecacheDelegate.
-  virtual void OnDone() override;
+  void OnDone() override;
 
   void OnURLsReceived(const std::list<GURL>& urls);
 
   // The browser context that owns this PrecacheManager.
   content::BrowserContext* browser_context_;
 
   // The PrecacheFetcher used to precache resources. Should only be used on the
   // UI thread.
   scoped_ptr<PrecacheFetcher> precache_fetcher_;
 
   // The callback that will be run if precaching finishes without being
   // canceled.
   PrecacheCompletionCallback precache_completion_callback_;
 
   // The PrecacheDatabase for tracking precache metrics. Should only be used on
   // the DB thread.
   scoped_refptr<PrecacheDatabase> precache_database_;
 
   // Flag indicating whether or not precaching is currently in progress.
   bool is_precaching_;
 
   DISALLOW_COPY_AND_ASSIGN(PrecacheManager);
 };
 
 }  // namespace precache
 
 #endif  // COMPONENTS_PRECACHE_CONTENT_PRECACHE_MANAGER_H_