Give up focus if the focused view becomes unfocusable

chrome/browser/ui/views/location_bar/open_pdf_in_reader_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/location_bar/open_pdf_in_reader_view.h"
 
 #include "chrome/browser/ui/pdf/pdf_tab_helper.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/widget/widget.h"
 
 OpenPDFInReaderView::OpenPDFInReaderView(LocationBarView* location_bar_view)
     : location_bar_view_(location_bar_view),
       bubble_(NULL),
       model_(NULL) {
-  set_accessibility_focusable(true);
+  SetAccessibilityFocusable(true);
   SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
       IDR_OMNIBOX_PDF_ICON));
   SetTooltipText(l10n_util::GetStringUTF16(IDS_PDF_BUBBLE_OPEN_IN_READER_LINK));
   LocationBarView::InitTouchableLocationBarChildView(this);
 }
 
 OpenPDFInReaderView::~OpenPDFInReaderView() {
   if (bubble_)
     bubble_->GetWidget()->RemoveObserver(this);
 }
@@ skipping 44 matching lines @@
   return true;
 }
 
 void OpenPDFInReaderView::OnWidgetDestroying(views::Widget* widget) {
   if (!bubble_)
     return;
 
   bubble_->GetWidget()->RemoveObserver(this);
   bubble_ = NULL;
 }