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

chrome/browser/printing/print_preview_dialog_controller.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_PRINTING_PRINT_PREVIEW_DIALOG_CONTROLLER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DIALOG_CONTROLLER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 44 matching lines @@
 
   // Returns the initiator for |preview_dialog|.
   // Returns NULL if no initiator exists for |preview_dialog|.
   content::WebContents* GetInitiator(content::WebContents* preview_dialog);
 
   // Run |callback| on the dialog of each active print preview operation.
   void ForEachPreviewDialog(
       base::Callback<void(content::WebContents*)> callback);
 
   // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   // Returns true if |contents| is a print preview dialog.
   static bool IsPrintPreviewDialog(content::WebContents* contents);
 
   // Returns true if |url| is a print preview url.
   static bool IsPrintPreviewURL(const GURL& url);
 
   // Erase the initiator info associated with |preview_dialog|.
   void EraseInitiatorInfo(content::WebContents* preview_dialog);
 
   bool is_creating_print_preview_dialog() const {
     return is_creating_print_preview_dialog_;
   }
 
  private:
   friend class base::RefCounted<PrintPreviewDialogController>;
 
   // 1:1 relationship between a print preview dialog and its initiator tab.
   // Key: Print preview dialog.
   // Value: Initiator.
   typedef std::map<content::WebContents*, content::WebContents*>
       PrintPreviewDialogMap;
 
-  virtual ~PrintPreviewDialogController();
+  ~PrintPreviewDialogController() override;
 
   // Handler for the RENDERER_PROCESS_CLOSED notification. This is observed when
   // the initiator renderer crashed.
   void OnRendererProcessClosed(content::RenderProcessHost* rph);
 
   // Handler for the WEB_CONTENTS_DESTROYED notification. This is observed when
   // either WebContents is closed.
   void OnWebContentsDestroyed(content::WebContents* contents);
 
   // Handler for the NAV_ENTRY_COMMITTED notification. This is observed when the
@@ skipping 30 matching lines @@
   // Whether the PrintPreviewDialogController is in the middle of creating a
   // print preview dialog.
   bool is_creating_print_preview_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewDialogController);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DIALOG_CONTROLLER_H_