Remove HTMLShadowElement.

sky/engine/core/dom/shadow/ShadowRoot.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 20 matching lines @@
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/Element.h"
 #include "core/dom/TreeScope.h"
 #include "wtf/DoublyLinkedList.h"
 
 namespace blink {
 
 class Document;
 class ElementShadow;
 class ExceptionState;
-class HTMLShadowElement;
 class InsertionPoint;
 class ShadowRootRareData;
 class StyleSheetList;
 
 class ShadowRoot final : public DocumentFragment, public TreeScope, public DoublyLinkedListNode<ShadowRoot> {
     DEFINE_WRAPPERTYPEINFO();
     friend class WTF::DoublyLinkedListNode<ShadowRoot>;
 public:
 
     static PassRefPtr<ShadowRoot> create(Document& document)
@@ skipping 15 matching lines @@
     bool isYoungest() const { return !youngerShadowRoot(); }
     bool isOldest() const { return !olderShadowRoot(); }
     bool isOldestAuthorShadowRoot() const;
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
     virtual void removedFrom(ContainerNode*) override;
 
     void registerScopedHTMLStyleChild();
     void unregisterScopedHTMLStyleChild();
 
-    bool containsShadowElements() const;
     bool containsContentElements() const;
-    bool containsInsertionPoints() const { return containsShadowElements() || containsContentElements(); }
+    bool containsInsertionPoints() const { return containsContentElements(); }
     bool containsShadowRoots() const;
 
-    unsigned descendantShadowElementCount() const;
-
     // For Internals, don't use this.
     unsigned childShadowRootCount() const;
     unsigned numberOfStyles() const { return m_numberOfStyles; }
 
-    HTMLShadowElement* shadowInsertionPointOfYoungerShadowRoot() const;
-    void setShadowInsertionPointOfYoungerShadowRoot(PassRefPtr<HTMLShadowElement>);
-
     void didAddInsertionPoint(InsertionPoint*);
     void didRemoveInsertionPoint(InsertionPoint*);
     const Vector<RefPtr<InsertionPoint> >& descendantInsertionPoints();
 
     // Make protected methods from base class public here.
     using TreeScope::setDocument;
     using TreeScope::setParentTreeScope;
 
 public:
     Element* activeElement() const;
 
     ShadowRoot* olderShadowRoot() const { return next(); }
 
     PassRefPtr<Node> cloneNode(bool, ExceptionState&);
     PassRefPtr<Node> cloneNode(ExceptionState& exceptionState) { return cloneNode(true, exceptionState); }
 
     StyleSheetList* styleSheets();
 
     virtual void trace(Visitor*) override;
 
 private:
     ShadowRoot(Document&);
     virtual ~ShadowRoot();
 
 #if !ENABLE(OILPAN)
     virtual void dispose() override;
 #endif
 
-    virtual void childrenChanged(const ChildrenChange&) override;
-
     ShadowRootRareData* ensureShadowRootRareData();
 
     void addChildShadowRoot();
     void removeChildShadowRoot();
     void invalidateDescendantInsertionPoints();
 
     // ShadowRoots should never be cloned.
     virtual PassRefPtr<Node> cloneNode(bool) override { return nullptr; }
 
     // FIXME: This shouldn't happen. https://bugs.webkit.org/show_bug.cgi?id=88834
@@ skipping 11 matching lines @@
 {
     return adjustedFocusedElement();
 }
 
 DEFINE_NODE_TYPE_CASTS(ShadowRoot, isShadowRoot());
 DEFINE_TYPE_CASTS(ShadowRoot, TreeScope, treeScope, treeScope->rootNode().isShadowRoot(), treeScope.rootNode().isShadowRoot());
 
 } // namespace blink
 
 #endif // ShadowRoot_h