Revert of Correctly compute parent of AXMenuListOption (patchset #8 id:160001 of https://codereview…

third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h

Index: third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h
diff --git a/third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h b/third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h
index 93ec8a547f2c1f33c3b1fcd93e085280ee4752e6..c284ab043a2a4a51c58ecb07e61190de9a0568bf 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h
+++ b/third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.h
@@ -49,7 +49,6 @@ class AXMenuListPopup final : public AXMockObject {
   void didShow();
   void didHide();
   AXObject* activeDescendant() final;
-  void updateChildrenIfNecessary() override;
 
  private:
   explicit AXMenuListPopup(AXObjectCacheImpl&);
@@ -61,6 +60,7 @@ class AXMenuListPopup final : public AXMockObject {
   bool isVisible() const override;
   bool press() const override;
   void addChildren() override;
+  void updateChildrenIfNecessary() override;
   bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 
   AXMenuListOption* menuListOptionAXObject(HTMLElement*) const;