AXObject is not copyable

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

 /*
  * Copyright (C) 2009 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 20 matching lines @@
 
 #include "modules/accessibility/AXLayoutObject.h"
 #include "modules/accessibility/AXMockObject.h"
 
 namespace blink {
 
 class AXObjectCacheImpl;
 class HTMLInputElement;
 
 class AXSlider : public AXLayoutObject {
+    WTF_MAKE_NONCOPYABLE(AXSlider);
 
 public:
     static AXSlider* create(LayoutObject*, AXObjectCacheImpl&);
     ~AXSlider() override { }
 
 protected:
     AXSlider(LayoutObject*, AXObjectCacheImpl&);
 
 private:
     HTMLInputElement* element() const;
     AXObject* elementAccessibilityHitTest(const IntPoint&) const final;
 
     AccessibilityRole determineAccessibilityRole() final;
     bool isSlider() const final { return true; }
     bool isControl() const final { return true; }
 
     void addChildren() final;
 
     bool canSetValueAttribute() const final { return true; }
 
     void setValue(const String&) final;
     AccessibilityOrientation orientation() const final;
 };
 
 class AXSliderThumb final : public AXMockObject {
+    WTF_MAKE_NONCOPYABLE(AXSliderThumb);
 
 public:
     static AXSliderThumb* create(AXObjectCacheImpl&);
     ~AXSliderThumb() override { }
 
     AccessibilityRole roleValue() const override { return SliderThumbRole; }
 
     LayoutRect elementRect() const override;
 
 private:
     explicit AXSliderThumb(AXObjectCacheImpl&);
 
     bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 };
 
 
 } // namespace blink
 
 #endif // AXSlider_h