[MD] Use same focus ring on BarControlButton as MdTextButton.

ui/views/controls/button/label_button.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 "ui/views/controls/button/label_button.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 364 matching lines @@
 gfx::Rect LabelButton::GetChildAreaBounds() {
   return GetLocalBounds();
 }
 
 void LabelButton::OnPaint(gfx::Canvas* canvas) {
   View::OnPaint(canvas);
   Painter::PaintFocusPainter(this, canvas, focus_painter_.get());
 }
 
 void LabelButton::OnFocus() {
-  View::OnFocus();
+  CustomButton::OnFocus();
   // Typically the border renders differently when focused.
   SchedulePaint();
 }
 
 void LabelButton::OnBlur() {
-  View::OnBlur();
+  CustomButton::OnBlur();
   // Typically the border renders differently when focused.
   SchedulePaint();
 }
 
 void LabelButton::OnNativeThemeChanged(const ui::NativeTheme* theme) {
   ResetColorsFromNativeTheme();
   UpdateThemedBorder();
   // Invalidate the layout to pickup the new insets from the border.
   InvalidateLayout();
 }
@@ skipping 165 matching lines @@
   GetExtraParams(params);
   return ui::NativeTheme::kHovered;
 }
 
 void LabelButton::ResetCachedPreferredSize() {
   cached_preferred_size_valid_ = false;
   cached_preferred_size_ = gfx::Size();
 }
 
 }  // namespace views