Give up focus if the focused view becomes unfocusable

chrome/browser/ui/views/download/download_item_view.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 "chrome/browser/ui/views/download/download_item_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 187 matching lines @@
                                   normal_body_image_set_.bottom_left->height());
 
   if (DownloadShelf::kSmallProgressIconSize > box_height_)
     box_y_ = (DownloadShelf::kSmallProgressIconSize - box_height_) / 2;
   else
     box_y_ = 0;
 
   body_hover_animation_.reset(new gfx::SlideAnimation(this));
   drop_hover_animation_.reset(new gfx::SlideAnimation(this));
 
-  set_accessibility_focusable(true);
+  SetAccessibilityFocusable(true);
 
   OnDownloadUpdated(download());
   UpdateDropDownButtonPosition();
 }
 
 DownloadItemView::~DownloadItemView() {
   StopDownloadProgress();
   download()->RemoveObserver(this);
 }
 
@@ skipping 1076 matching lines @@
 void DownloadItemView::AnimateStateTransition(State from, State to,
                                               gfx::SlideAnimation* animation) {
   if (from == NORMAL && to == HOT) {
     animation->Show();
   } else if (from == HOT && to == NORMAL) {
     animation->Hide();
   } else if (from != to) {
     animation->Reset((to == HOT) ? 1.0 : 0.0);
   }
 }