Views; Fire a value changed event when the contents of a text field changes.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 708921603b8864092626c4f890f1284da8d0e4cb..bf925b3c75d46f78368bf698b177249294b45f75 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -336,7 +336,7 @@ void Textfield::SetText(const base::string16& new_text) {
   model_->SetText(new_text);
   OnCaretBoundsChanged();
   SchedulePaint();
-  NotifyAccessibilityEvent(ui::AX_EVENT_TEXT_CHANGED, true);
+  NotifyAccessibilityEvent(ui::AX_EVENT_VALUE_CHANGED, true);
 }
 
 void Textfield::AppendText(const base::string16& new_text) {
@@ -1935,7 +1935,7 @@ void Textfield::UpdateAfterChange(bool text_changed, bool cursor_changed) {
   if (text_changed) {
     if (controller_)
       controller_->ContentsChanged(this, text());
-    NotifyAccessibilityEvent(ui::AX_EVENT_TEXT_CHANGED, true);
+    NotifyAccessibilityEvent(ui::AX_EVENT_VALUE_CHANGED, true);
   }
   if (cursor_changed) {
     UpdateCursorViewPosition();