Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/accessibility/invert_bubble_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/accessibility/invert_bubble_view.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
@@ skipping 20 matching lines @@
     "https://chrome.google.com/webstore/detail/djcfdncoelnlbldjfhinnjlhdjlikmph";
 const char kDarkThemeSearchUrl[] =
     "https://chrome.google.com/webstore/search-themes/dark";
 const char kLearnMoreUrl[] =
     "https://groups.google.com/a/googleproductforums.com/d/topic/chrome/Xrco2HsXS-8/discussion";
 
 class InvertBubbleView : public views::BubbleDelegateView,
                          public views::LinkListener {
  public:
   InvertBubbleView(Browser* browser, views::View* anchor_view);
-  virtual ~InvertBubbleView();
+  ~InvertBubbleView() override;
 
  private:
   // Overridden from views::BubbleDelegateView:
-  virtual void Init() override;
+  void Init() override;
 
   // Overridden from views::LinkListener:
-  virtual void LinkClicked(views::Link* source, int event_flags) override;
+  void LinkClicked(views::Link* source, int event_flags) override;
 
   void OpenLink(const std::string& url, int event_flags);
 
   Browser* browser_;
   views::Link* high_contrast_;
   views::Link* dark_theme_;
   views::Link* learn_more_;
   views::Link* close_;
 
   DISALLOW_COPY_AND_ASSIGN(InvertBubbleView);
@@ skipping 102 matching lines @@
   views::View* anchor = browser_view->toolbar()->app_menu();
   if (gfx::IsInvertedColorScheme() && anchor && anchor->GetWidget() &&
       !pref_service->GetBoolean(prefs::kInvertNotificationShown)) {
     pref_service->SetBoolean(prefs::kInvertNotificationShown, true);
     InvertBubbleView* delegate = new InvertBubbleView(browser, anchor);
     views::BubbleDelegateView::CreateBubble(delegate)->Show();
   }
 }
 
 }  // namespace chrome