Cleanup: remove NotifyAccessibilityEvent from views::Widget.

ui/views/widget/widget.h

 // 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.
 
 #ifndef UI_VIEWS_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
-#include "ui/base/accessibility/accessibility_types.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/layer_type.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/native_widget_delegate.h"
 #include "ui/views/window/client_view.h"
 #include "ui/views/window/non_client_view.h"
 
 #if defined(OS_WIN)
@@ skipping 555 matching lines @@
   gfx::Vector2d CalculateOffsetToAncestorWithLayer(
       ui::Layer** layer_parent);
 
   // Invokes method of same name on the NativeWidget.
   void ReorderLayers();
 
   // Schedules an update to the root layers. The actual processing occurs when
   // GetRootLayers() is invoked.
   void UpdateRootLayers();
 
-  // Notifies assistive technology that an accessibility event has
-  // occurred on |view|, such as when the view is focused or when its
-  // value changes. Pass true for |send_native_event| except for rare
-  // cases where the view is a native control that's already sending a
-  // native accessibility event and the duplicate event would cause
-  // problems.
-  void NotifyAccessibilityEvent(
-      View* view,
-      ui::AccessibilityTypes::Event event_type,
-      bool send_native_event);
-
   const NativeWidget* native_widget() const;
   NativeWidget* native_widget();
 
   internal::NativeWidgetPrivate* native_widget_private() {
     return native_widget_;
   }
   const internal::NativeWidgetPrivate* native_widget_private() const {
     return native_widget_;
   }
 
@@ skipping 235 matching lines @@
   // True when window movement via mouse interaction with the frame should be
   // disabled.
   bool movement_disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_