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

chrome/browser/ui/webui/constrained_web_dialog_ui.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/webui/constrained_web_dialog_ui.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 18 matching lines @@
 namespace {
 
 const char kConstrainedWebDialogDelegateUserDataKey[] =
     "ConstrainedWebDialogDelegateUserData";
 
 class ConstrainedWebDialogDelegateUserData
     : public base::SupportsUserData::Data {
  public:
   explicit ConstrainedWebDialogDelegateUserData(
       ConstrainedWebDialogDelegate* delegate) : delegate_(delegate) {}
-  virtual ~ConstrainedWebDialogDelegateUserData() {}
+  ~ConstrainedWebDialogDelegateUserData() override {}
 
   ConstrainedWebDialogDelegate* delegate() { return delegate_; }
 
  private:
   ConstrainedWebDialogDelegate* delegate_;  // unowned
 
   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateUserData);
 };
 
 }  // namespace
@@ skipping 53 matching lines @@
 }
 
 ConstrainedWebDialogDelegate* ConstrainedWebDialogUI::GetConstrainedDelegate() {
   ConstrainedWebDialogDelegateUserData* user_data =
       static_cast<ConstrainedWebDialogDelegateUserData*>(
           web_ui()->GetWebContents()->
               GetUserData(&kConstrainedWebDialogDelegateUserDataKey));
 
   return user_data ? user_data->delegate() : NULL;
 }