Cleanup: remove NotifyAccessibilityEvent from views::Widget.

ui/views/controls/textfield/native_textfield_views.cc

Index: ui/views/controls/textfield/native_textfield_views.cc
diff --git a/ui/views/controls/textfield/native_textfield_views.cc b/ui/views/controls/textfield/native_textfield_views.cc
index f181fbff4b08305a9d83b3403837be77e9de6792..113176dcf40551310d348f8a26a5b644864c2935 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -474,8 +474,8 @@ void NativeTextfieldViews::UpdateText() {
   model_->SetText(GetTextForDisplay(textfield_->text()));
   OnCaretBoundsChanged();
   SchedulePaint();
-  textfield_->GetWidget()->NotifyAccessibilityEvent(
-      textfield_, ui::AccessibilityTypes::EVENT_TEXT_CHANGED, true);
+  textfield_->NotifyAccessibilityEvent(
+      ui::AccessibilityTypes::EVENT_TEXT_CHANGED, true);
 }
 
 void NativeTextfieldViews::AppendText(const string16& text) {
@@ -621,8 +621,8 @@ void NativeTextfieldViews::SelectRange(const ui::Range& range) {
   model_->SelectRange(range);
   OnCaretBoundsChanged();
   SchedulePaint();
-  textfield_->GetWidget()->NotifyAccessibilityEvent(
-      textfield_, ui::AccessibilityTypes::EVENT_SELECTION_CHANGED, true);
+  textfield_->NotifyAccessibilityEvent(
+      ui::AccessibilityTypes::EVENT_SELECTION_CHANGED, true);
 }
 
 gfx::SelectionModel NativeTextfieldViews::GetSelectionModel() const {
@@ -1222,8 +1222,8 @@ void NativeTextfieldViews::UpdateAfterChange(bool text_changed,
                                              bool cursor_changed) {
   if (text_changed) {
     PropagateTextChange();
-    textfield_->GetWidget()->NotifyAccessibilityEvent(
-        textfield_, ui::AccessibilityTypes::EVENT_TEXT_CHANGED, true);
+    textfield_->NotifyAccessibilityEvent(
+        ui::AccessibilityTypes::EVENT_TEXT_CHANGED, true);
   }
   if (cursor_changed) {
     is_cursor_visible_ = true;
@@ -1231,8 +1231,8 @@ void NativeTextfieldViews::UpdateAfterChange(bool text_changed,
     if (!text_changed) {
       // TEXT_CHANGED implies SELECTION_CHANGED, so we only need to fire
       // this if only the selection changed.
-      textfield_->GetWidget()->NotifyAccessibilityEvent(
-          textfield_, ui::AccessibilityTypes::EVENT_SELECTION_CHANGED, true);
+      textfield_->NotifyAccessibilityEvent(
+          ui::AccessibilityTypes::EVENT_SELECTION_CHANGED, true);
     }
   }
   if (text_changed || cursor_changed) {