MacViews: Implement Full Keyboard Access.

ui/message_center/views/notification_button.cc

 // Copyright 2013 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/message_center/views/notification_button.h"
 
 #include "ui/gfx/canvas.h"
 #include "ui/message_center/message_center_style.h"
 #include "ui/message_center/views/constants.h"
 #include "ui/views/background.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/painter.h"
 
 namespace message_center {
 
 NotificationButton::NotificationButton(views::ButtonListener* listener)
     : views::CustomButton(listener),
       icon_(NULL),
       title_(NULL),
       focus_painter_(views::Painter::CreateSolidFocusPainter(
           message_center::kFocusBorderColor,
           gfx::Insets(1, 2, 2, 2))) {
-  SetFocusBehavior(FocusBehavior::ALWAYS);
+  Button::ConfigureDefaultFocus(this);
   // Create a background so that it does not change when the MessageView
   // background changes to show touch feedback
   set_background(views::Background::CreateSolidBackground(
       kNotificationBackgroundColor));
   set_request_focus_on_press(false);
   set_notify_enter_exit_on_child(true);
   SetLayoutManager(
       new views::BoxLayout(views::BoxLayout::kHorizontal,
                            message_center::kButtonHorizontalPadding,
                            kButtonVecticalPadding,
@@ skipping 77 matching lines @@
   if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
     set_background(views::Background::CreateSolidBackground(
         message_center::kHoveredButtonBackgroundColor));
   } else {
     set_background(views::Background::CreateSolidBackground(
         kNotificationBackgroundColor));
   }
 }
 
 }  // namespace message_center