Cleanup: remove NotifyAccessibilityEvent from views::Widget.

ui/views/controls/message_box_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/views/controls/message_box_view.h"
 
 #include "base/i18n/rtl.h"
 #include "base/message_loop.h"
 #include "base/strings/string_split.h"
 #include "base/utf_string_conversions.h"
@@ skipping 114 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // MessageBoxView, View overrides:
 
 void MessageBoxView::ViewHierarchyChanged(bool is_add,
                                           View* parent,
                                           View* child) {
   if (child == this && is_add) {
     if (prompt_field_)
       prompt_field_->SelectAll(true);
 
-    GetWidget()->NotifyAccessibilityEvent(
-        this, ui::AccessibilityTypes::EVENT_ALERT, true);
+    NotifyAccessibilityEvent(ui::AccessibilityTypes::EVENT_ALERT, true);
   }
 }
 
 bool MessageBoxView::AcceleratorPressed(const ui::Accelerator& accelerator) {
   // We only accepts Ctrl-C.
   DCHECK(accelerator.key_code() == 'C' && accelerator.IsCtrlDown());
 
   // We must not intercept Ctrl-C when we have a text box and it's focused.
   if (prompt_field_ && prompt_field_->HasFocus())
     return false;
@@ skipping 126 matching lines @@
   if (checkbox_) {
     layout->AddPaddingRow(0, inter_row_vertical_spacing_);
     layout->StartRow(0, checkbox_column_view_set_id);
     layout->AddView(checkbox_);
   }
 
   layout->AddPaddingRow(0, inter_row_vertical_spacing_);
 }
 
 }  // namespace views