Cleanup: remove NotifyAccessibilityEvent from views::Widget.

ui/views/widget/widget.h

Index: ui/views/widget/widget.h
diff --git a/ui/views/widget/widget.h b/ui/views/widget/widget.h
index 2d6e6aaff6e37d50f6448f4137f84ffbc6821483..a7db9cad3fcbc40e31d3189e003de321148c75ac 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -12,7 +12,6 @@
 #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"
@@ -588,17 +587,6 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
   // 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();