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

chrome/browser/pepper_broker_infobar_delegate.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_PEPPER_BROKER_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_PEPPER_BROKER_INFOBAR_DELEGATE_H_
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
@@ skipping 21 matching lines @@
                      const base::FilePath& plugin_path,
                      const base::Callback<void(bool)>& callback);
 
  private:
   PepperBrokerInfoBarDelegate(const GURL& url,
                               const base::FilePath& plugin_path,
                               const std::string& languages,
                               HostContentSettingsMap* content_settings,
                               TabSpecificContentSettings* tab_content_settings,
                               const base::Callback<void(bool)>& callback);
-  virtual ~PepperBrokerInfoBarDelegate();
+  ~PepperBrokerInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
-  virtual int GetIconID() const 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;
+  int GetIconID() const 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;
 
   void DispatchCallback(bool result);
 
   const GURL url_;
   const base::FilePath plugin_path_;
   const std::string languages_;
   HostContentSettingsMap* content_settings_;
   TabSpecificContentSettings* tab_content_settings_;
   base::Callback<void(bool)> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperBrokerInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_PEPPER_BROKER_INFOBAR_DELEGATE_H_