MacViews: Implement Full Keyboard Access.

ash/shelf/shelf_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 "ash/shelf/shelf_button.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 210 matching lines @@
 // static
 const char ShelfButton::kViewClassName[] = "ash/ShelfButton";
 
 ShelfButton::ShelfButton(ShelfView* shelf_view)
     : CustomButton(shelf_view),
       shelf_view_(shelf_view),
       icon_view_(new views::ImageView()),
       bar_(new BarView(shelf_view->shelf())),
       state_(STATE_NORMAL),
       destroyed_flag_(nullptr) {
-  SetAccessibilityFocusable(true);
+  SetFocusBehavior(views::View::FocusBehavior::ACCESSIBLE_ONLY);
 
   const gfx::ShadowValue kShadows[] = {
       gfx::ShadowValue(gfx::Vector2d(0, 2), 0, SkColorSetARGB(0x1A, 0, 0, 0)),
       gfx::ShadowValue(gfx::Vector2d(0, 3), 1, SkColorSetARGB(0x1A, 0, 0, 0)),
       gfx::ShadowValue(gfx::Vector2d(0, 0), 1, SkColorSetARGB(0x54, 0, 0, 0)),
   };
   icon_shadows_.assign(kShadows, kShadows + arraysize(kShadows));
 
   // TODO: refactor the layers so each button doesn't require 2.
   icon_view_->SetPaintToLayer(true);
@@ skipping 262 matching lines @@
     bar_->SetVerticalAlignment(shelf->SelectValueForShelfAlignment(
         views::ImageView::TRAILING, views::ImageView::CENTER,
         views::ImageView::CENTER));
     bar_->SchedulePaint();
   }
 
   bar_->SetVisible(bar_id != 0 && state_ != STATE_NORMAL);
 }
 
 }  // namespace ash