Standardize usage of virtual/override/final in components/

components/web_modal/popup_manager.cc

 // Copyright 2014 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 "components/web_modal/popup_manager.h"
 
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "ui/gfx/geometry/size.h"
 
 using content::WebContents;
 
 namespace web_modal {
 
 namespace {
 
 const char kPopupManagerUserDataKey[] = "PopupManager";
 
 // This class provides a hook to get a PopupManager from a WebContents.
 // The PopupManager is browser-scoped, but will use a FromWebContents API
 // to attach to each WebContents in that browser.
 class PopupManagerRelay : public content::WebContentsUserData<PopupManager> {
  public:
   explicit PopupManagerRelay(base::WeakPtr<PopupManager> manager)
       : manager_(manager) {}
 
-  virtual ~PopupManagerRelay() {}
+  ~PopupManagerRelay() override {}
 
   base::WeakPtr<PopupManager> manager_;
 };
 
 }  // namespace
 
 PopupManager::PopupManager(WebContentsModalDialogHost* host)
     : host_(host),
       weak_factory_(this) {}
 
@@ skipping 80 matching lines @@
 void PopupManager::CloseAllDialogsForTesting(
     content::WebContents* web_contents) {
   // TODO: re-implement, probably in terms of something in the host_,
   // or of owned WCMDMs.
   WebContentsModalDialogManager* manager =
       WebContentsModalDialogManager::FromWebContents(web_contents);
   manager->CloseAllDialogs();
 }
 
 }  // namespace web_modal