Standardize usage of virtual/override/final in chrome/browser/profiles/

chrome/browser/profiles/profile_destroyer.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 CHROME_BROWSER_PROFILES_PROFILE_DESTROYER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_DESTROYER_H_
 
 #include <set>
 
 #include "base/memory/ref_counted.h"
@@ skipping 13 matching lines @@
   static void DestroyProfileWhenAppropriate(Profile* const profile);
   static void DestroyOffTheRecordProfileNow(Profile* const profile);
 
  private:
   typedef std::set<content::RenderProcessHost*> HostSet;
   typedef std::set<ProfileDestroyer*> DestroyerSet;
 
   friend class base::RefCounted<ProfileDestroyer>;
 
   ProfileDestroyer(Profile* const profile, HostSet* hosts);
-  virtual ~ProfileDestroyer();
+  ~ProfileDestroyer() override;
 
   // content::RenderProcessHostObserver override.
-  virtual void RenderProcessHostDestroyed(
-      content::RenderProcessHost* host) override;
+  void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
 
   // Called by the timer to cancel the pending destruction and do it now.
   void DestroyProfile();
 
   // Fetch the list of render process hosts that still refer to the profile.
   // Return true if we found at least one, false otherwise.
   static bool GetHostsForProfile(Profile* const profile, HostSet* hosts);
 
   // We need access to all pending destroyers so we can cancel them.
   static DestroyerSet* pending_destroyers_;
 
   // We don't want to wait forever, so we have a cancellation timer.
   base::Timer timer_;
 
   // Used to count down the number of render process host left.
   uint32 num_hosts_;
 
   // The profile being destroyed. If it is set to NULL, it is a signal from
   // another instance of ProfileDestroyer that this instance is canceled.
   Profile* profile_;
 
   base::WeakPtrFactory<ProfileDestroyer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileDestroyer);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_DESTROYER_H_