Give up focus if the focused view becomes unfocusable

chrome/browser/ui/views/location_bar/page_action_image_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/page_action_image_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_icon_factory.h"
@@ skipping 36 matching lines @@
               SessionID::IdForTab(owner->GetWebContents())),
           this) {
   const Extension* extension = owner_->profile()->GetExtensionService()->
       GetExtensionById(page_action->extension_id(), false);
   DCHECK(extension);
 
   icon_factory_.reset(
       new ExtensionActionIconFactory(
           owner_->profile(), extension, page_action, this));
 
-  set_accessibility_focusable(true);
+  SetAccessibilityFocusable(true);
   set_context_menu_controller(this);
 
   extensions::CommandService* command_service =
       extensions::CommandService::Get(browser_->profile());
   extensions::Command page_action_command;
   if (command_service->GetPageActionCommand(
           extension->id(),
           extensions::CommandService::ACTIVE_ONLY,
           &page_action_command,
           NULL)) {
@@ skipping 211 matching lines @@
 
   popup_ = ExtensionPopup::ShowPopup(popup_url, browser_, this, arrow,
                                      show_action);
   popup_->GetWidget()->AddObserver(this);
 }
 
 void PageActionImageView::HidePopup() {
   if (popup_)
     popup_->GetWidget()->Close();
 }