Various fixes for aria-activedescendant.

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

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 40 matching lines @@
 
 public:
     static AXLayoutObject* create(LayoutObject*, AXObjectCacheImpl&);
     ~AXLayoutObject() override;
 
     // Public, overridden from AXObject.
     LayoutObject* getLayoutObject() const final { return m_layoutObject; }
     LayoutRect elementRect() const override;
     LayoutBoxModelObject* getLayoutBoxModelObject() const;
     SkMatrix44 transformFromLocalParentFrame() const override;
-    bool shouldNotifyActiveDescendant() const;
     ScrollableArea* getScrollableAreaIfScrollable() const final;
     AccessibilityRole determineAccessibilityRole() override;
     AccessibilityRole nativeAccessibilityRoleIgnoringAria() const override;
     void checkCachedElementRect() const;
     void updateCachedElementRect() const;
 
 protected:
     LayoutObject* m_layoutObject;
     mutable LayoutRect m_cachedElementRect;
     mutable LayoutRect m_cachedFrameRect;
@@ skipping 41 matching lines @@
 
     // Inline text boxes.
     void loadInlineTextBoxes() override;
     AXObject* nextOnLine() const override;
     AXObject* previousOnLine() const override;
 
     // Properties of interactive elements.
     String stringValue() const override;
 
     // ARIA attributes.
-    AXObject* activeDescendant() const override;
     void ariaFlowToElements(AXObjectVector&) const override;
     void ariaControlsElements(AXObjectVector&) const override;
     void ariaDescribedbyElements(AXObjectVector&) const override;
     void ariaLabelledbyElements(AXObjectVector&) const override;
     void ariaOwnsElements(AXObjectVector&) const override;
 
     bool ariaHasPopup() const override;
     bool ariaRoleHasPresentationalChildren() const override;
     AXObject* ancestorForWhichThisIsAPresentationalChild() const override;
-    bool shouldFocusActiveDescendant() const override;
     bool supportsARIADragging() const override;
     bool supportsARIADropping() const override;
     bool supportsARIAFlowTo() const override;
     bool supportsARIAOwns() const override;
 
     // ARIA live-region features.
     const AtomicString& liveRegionStatus() const override;
     const AtomicString& liveRegionRelevant() const override;
     bool liveRegionAtomic() const override;
     bool liveRegionBusy() const override;
@@ skipping 74 matching lines @@
     AXRange textControlSelection() const;
     int indexForVisiblePosition(const VisiblePosition&) const;
     AXLayoutObject* getUnignoredObjectFromNode(Node&) const;
 };
 
 DEFINE_AX_OBJECT_TYPE_CASTS(AXLayoutObject, isAXLayoutObject());
 
 } // namespace blink
 
 #endif // AXLayoutObject_h