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

chrome/browser/infobars/insecure_content_infobar_delegate.h

 // Copyright (c) 2011 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_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_
 
 #include "components/infobars/core/confirm_infobar_delegate.h"
 
 class InfoBarService;
@@ skipping 20 matching lines @@
     DISPLAY_USER_DID_NOT_LOAD,  // User clicked the don't load button.
     DISPLAY_INFOBAR_DISMISSED,  // User clicked close button.
     RUN_INFOBAR_SHOWN,
     RUN_USER_OVERRIDE,
     RUN_USER_DID_NOT_LOAD,
     RUN_INFOBAR_DISMISSED,
     NUM_EVENTS
   };
 
   explicit InsecureContentInfoBarDelegate(InfoBarType type);
-  virtual ~InsecureContentInfoBarDelegate();
+  ~InsecureContentInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
-  virtual void InfoBarDismissed() override;
-  virtual InsecureContentInfoBarDelegate*
-      AsInsecureContentInfoBarDelegate() override;
-  virtual base::string16 GetMessageText() const override;
-  virtual base::string16 GetButtonLabel(InfoBarButton button) const override;
-  virtual bool Accept() override;
-  virtual bool Cancel() override;
-  virtual base::string16 GetLinkText() const override;
-  virtual bool LinkClicked(WindowOpenDisposition disposition) override;
+  void InfoBarDismissed() override;
+  InsecureContentInfoBarDelegate* AsInsecureContentInfoBarDelegate() override;
+  base::string16 GetMessageText() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  bool Accept() override;
+  bool Cancel() override;
+  base::string16 GetLinkText() const override;
+  bool LinkClicked(WindowOpenDisposition disposition) override;
 
   InfoBarType type_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InsecureContentInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_