Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/open_pdf_in_reader_bubble_view.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_UI_VIEWS_OPEN_PDF_IN_READER_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_OPEN_PDF_IN_READER_BUBBLE_VIEW_H_
 
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/link_listener.h"
 
 namespace pdf {
 class OpenPDFInReaderPromptClient;
 }
 
 namespace views {
 class LabelButton;
 }
 
 class OpenPDFInReaderBubbleView : public views::BubbleDelegateView,
                                   public views::ButtonListener,
                                   public views::LinkListener {
  public:
   OpenPDFInReaderBubbleView(views::View* anchor_view,
                             pdf::OpenPDFInReaderPromptClient* model);
-  virtual ~OpenPDFInReaderBubbleView();
+  ~OpenPDFInReaderBubbleView() override;
 
  protected:
   // views::BubbleDelegateView:
-  virtual void Init() override;
+  void Init() override;
 
   // views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::LinkListener:
-  virtual void LinkClicked(views::Link* source, int event_flags) override;
+  void LinkClicked(views::Link* source, int event_flags) override;
 
  private:
   // Weak pointer; owned by the PDFWebContentsHelper of the currently active
   // tab.
   pdf::OpenPDFInReaderPromptClient* model_;
 
   views::Link* open_in_reader_link_;
   views::LabelButton* close_button_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenPDFInReaderBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_OPEN_PDF_IN_READER_BUBBLE_VIEW_H_