Revert of Fire AX notifications on list box options.

Source/core/html/HTMLOptionElement.cpp

Index: Source/core/html/HTMLOptionElement.cpp
diff --git a/Source/core/html/HTMLOptionElement.cpp b/Source/core/html/HTMLOptionElement.cpp
index 97a8e40d73dc7ed852dd906916e95f2aabf6f8ea..f14dd4b81dbb1294fd148c9a5c31737391f81659 100644
--- a/Source/core/html/HTMLOptionElement.cpp
+++ b/Source/core/html/HTMLOptionElement.cpp
@@ -29,7 +29,6 @@
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/HTMLNames.h"
-#include "core/dom/AXObjectCache.h"
 #include "core/dom/Document.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/NodeTraversal.h"
@@ -265,19 +264,8 @@
     m_isSelected = selected;
     pseudoStateChanged(CSSSelector::PseudoChecked);
 
-    if (HTMLSelectElement* select = ownerSelectElement()) {
+    if (HTMLSelectElement* select = ownerSelectElement())
         select->invalidateSelectedItems();
-
-        if (AXObjectCache* cache = document().existingAXObjectCache()) {
-            // If there is a layoutObject (most common), fire accessibility notifications
-            // only when it's a listbox (and not a menu list). If there's no layoutObject,
-            // fire them anyway just to be safe (to make sure the AX tree is in sync).
-            if (!select->layoutObject() || select->layoutObject()->isListBox()) {
-                cache->listboxOptionStateChanged(this);
-                cache->listboxSelectedChildrenChanged(select);
-            }
-        }
-    }
 }
 
 void HTMLOptionElement::childrenChanged(const ChildrenChange& change)