MacViews: Implement Full Keyboard Access.

ui/app_list/views/folder_header_view.cc

 // Copyright (c) 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/app_list/views/folder_header_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 54 matching lines @@
       folder_name_visible_(true) {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   if (!app_list::switches::IsExperimentalAppListEnabled()) {
     back_button_ = new views::ImageButton(this);
     back_button_->SetImage(
         views::ImageButton::STATE_NORMAL,
         rb.GetImageSkiaNamed(IDR_APP_LIST_FOLDER_BACK_NORMAL));
     back_button_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
                                     views::ImageButton::ALIGN_MIDDLE);
     AddChildView(back_button_);
-    back_button_->SetFocusBehavior(FocusBehavior::ALWAYS);
+    views::Button::ConfigureDefaultFocus(back_button_);
     back_button_->SetAccessibleName(
         ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
             IDS_APP_LIST_FOLDER_CLOSE_FOLDER_ACCESSIBILE_NAME));
   }
 
   folder_name_view_->SetFontList(
       rb.GetFontList(ui::ResourceBundle::MediumFont));
   folder_name_view_->set_placeholder_text_color(kFolderTitleHintTextColor);
   folder_name_view_->set_placeholder_text(folder_name_placeholder_text_);
   folder_name_view_->SetBorder(views::Border::NullBorder());
@@ skipping 159 matching lines @@
 void FolderHeaderView::ButtonPressed(views::Button* sender,
                                      const ui::Event& event) {
   delegate_->NavigateBack(folder_item_, event);
 }
 
 void FolderHeaderView::ItemNameChanged() {
   Update();
 }
 
 }  // namespace app_list