Cleanup: remove NotifyAccessibilityEvent from views::Widget.

ui/app_list/views/apps_grid_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 "ui/app_list/views/apps_grid_view.h"
 
 #include <algorithm>
 
 #include "ui/app_list/apps_grid_view_delegate.h"
 #include "ui/app_list/pagination_model.h"
@@ skipping 388 matching lines @@
   views::View* new_selection = GetViewAtIndex(index);
   if (!new_selection)
     return;  // Keep current selection.
 
   if (selected_view_)
     selected_view_->SchedulePaint();
 
   EnsureViewVisible(new_selection);
   selected_view_ = new_selection;
   selected_view_->SchedulePaint();
-  if (GetWidget()) {
-    GetWidget()->NotifyAccessibilityEvent(
-        selected_view_, ui::AccessibilityTypes::EVENT_FOCUS, true);
-  }
+  selected_view_->NotifyAccessibilityEvent(
+      ui::AccessibilityTypes::EVENT_FOCUS, true);
 }
 
 bool AppsGridView::IsValidIndex(const Index& index) const {
   return index.page >= 0 && index.page < pagination_model_->total_pages() &&
       index.slot >= 0 && index.slot < tiles_per_page() &&
       index.page * tiles_per_page() + index.slot < view_model_.view_size();
 }
 
 AppsGridView::Index AppsGridView::GetIndexOfView(
     const views::View* view) const {
@@ skipping 378 matching lines @@
     Layout();
 }
 
 void AppsGridView::OnAppListModelStatusChanged() {
   UpdatePulsingBlockViews();
   Layout();
   SchedulePaint();
 }
 
 }  // namespace app_list