Remove a new usage of LabelButton::SetStyle (in ChromeCleanerDialog).

chrome/browser/ui/views/chrome_cleaner_dialog.h

 // Copyright 2017 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_CHROME_CLEANER_DIALOG_H_
 #define CHROME_BROWSER_UI_VIEWS_CHROME_CLEANER_DIALOG_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "ui/views/controls/button/button.h"
-#include "ui/views/controls/button/label_button.h"
 #include "ui/views/window/dialog_delegate.h"
 
 class Browser;
 
 namespace safe_browsing {
 class ChromeCleanerDialogController;
 }
 
 // A modal dialog asking the user if they want to remove harmful software from
 // their computers by running the Chrome Cleanup tool.
@@ skipping 35 matching lines @@
 
   // views::ButtonListener overrides.
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
  private:
   Browser* browser_;
   // The pointer will be set to nullptr once the controller has been notified of
   // user interaction since the controller can delete itself after that point.
   safe_browsing::ChromeCleanerDialogController* controller_;
 
-  views::LabelButton* advanced_button_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeCleanerDialog);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_CHROME_CLEANER_DIALOG_H_