MD - use new style of text button in infobars.

chrome/browser/ui/views/infobars/confirm_infobar.h

 // Copyright (c) 2011 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_INFOBARS_CONFIRM_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_CONFIRM_INFOBAR_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/views/infobars/infobar_view.h"
 #include "ui/views/controls/link_listener.h"
 
 class ConfirmInfoBarDelegate;
 class ElevationIconSetter;
 
 namespace views {
 class Button;
 class Label;
+class LabelButton;
 }
 
 // An infobar that shows a message, up to two optional buttons, and an optional,
 // right-aligned link.  This is commonly used to do things like:
 // "Would you like to do X?  [Yes]  [No]               _Learn More_ [x]"
 class ConfirmInfoBar : public InfoBarView,
                        public views::LinkListener {
  public:
   explicit ConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate> delegate);
   ~ConfirmInfoBar() override;
 
  private:
   // InfoBarView:
   void Layout() override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
   int ContentMinimumWidth() const override;
 
   // views::LinkListener:
   void LinkClicked(views::Link* source, int event_flags) override;
 
   ConfirmInfoBarDelegate* GetDelegate();
 
   // Returns the width of all content other than the label and link.  Layout()
   // uses this to determine how much space the label and link can take.
   int NonLabelWidth() const;
 
   views::Label* label_;
-  views::Button* ok_button_;
+  views::LabelButton* ok_button_;
   views::Button* cancel_button_;
   views::Link* link_;
   scoped_ptr<ElevationIconSetter> elevation_icon_setter_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfirmInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_CONFIRM_INFOBAR_H_