Selection follows focus/activedescendant in single selection containers

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

Index: third_party/WebKit/Source/modules/accessibility/AXMenuListOption.h
diff --git a/third_party/WebKit/Source/modules/accessibility/AXMenuListOption.h b/third_party/WebKit/Source/modules/accessibility/AXMenuListOption.h
index 3447fee4fbce6d9305e050c07fe81ce52db07815..7bf76e9fcec2d7825befe8b0f1aba60eec647ee5 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXMenuListOption.h
+++ b/third_party/WebKit/Source/modules/accessibility/AXMenuListOption.h
@@ -62,6 +62,8 @@ class AXMenuListOption final : public AXMockObject {
   bool IsSelected() const override;
   void SetSelected(bool) override;
   bool CanSetSelectedAttribute() const override;
+  bool CanSetFocusAttribute() const override;
+
   void GetRelativeBounds(AXObjectImpl** out_container,
                          FloatRect& out_bounds_in_container,
                          SkMatrix44& out_container_transform) const override;
@@ -72,6 +74,7 @@ class AXMenuListOption final : public AXMockObject {
                          AXRelatedObjectVector*,
                          NameSources*) const override;
   bool ComputeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+  HTMLSelectElement* ParentSelectNode() const;
 
   Member<HTMLOptionElement> element_;
 };