Cleanup: remove NotifyAccessibilityEvent from views::Widget.

chrome/browser/ui/views/extensions/disabled_extensions_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/extensions/disabled_extensions_view.h"
 
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 369 matching lines @@
 }
 
 void DisabledExtensionsView::GetAccessibleState(
     ui::AccessibleViewState* state) {
   state->role = ui::AccessibilityTypes::ROLE_ALERT;
 }
 
 void DisabledExtensionsView::ViewHierarchyChanged(bool is_add,
                                                   View* parent,
                                                   View* child) {
-  if (is_add && child == this) {
-    GetWidget()->NotifyAccessibilityEvent(
-        this, ui::AccessibilityTypes::EVENT_ALERT, true);
-  }
+  if (is_add && child == this)
+    NotifyAccessibilityEvent(ui::AccessibilityTypes::EVENT_ALERT, true);
 }