Move v0 things from ShadowRootRareData into ShadowRootRareDataV0

third_party/WebKit/Source/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 25 matching lines @@
 #include "wtf/DoublyLinkedList.h"
 
 namespace blink {
 
 class Document;
 class ElementShadow;
 class ExceptionState;
 class HTMLShadowElement;
 class InsertionPoint;
 class ShadowRootRareData;
+class ShadowRootRareDataV0;
 class StyleSheetList;
 
 enum class ShadowRootType {
     UserAgent,
     V0,
     Open,
     Closed
 };
 
 class CORE_EXPORT ShadowRoot final : public DocumentFragment, public TreeScope, public DoublyLinkedListNode<ShadowRoot> {
@@ skipping 94 matching lines @@
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     ShadowRoot(Document&, ShadowRootType);
     ~ShadowRoot() override;
 
     void childrenChanged(const ChildrenChange&) override;
 
     ShadowRootRareData* ensureShadowRootRareData();
+    ShadowRootRareDataV0* ensureShadowRootRareDataV0();
 
     void addChildShadowRoot();
     void removeChildShadowRoot();
     void invalidateDescendantInsertionPoints();
 
     // ShadowRoots should never be cloned.
     Node* cloneNode(bool) override { return nullptr; }
 
     // FIXME: This shouldn't happen. https://bugs.webkit.org/show_bug.cgi?id=88834
     bool isOrphan() const { return !host(); }
 
     void invalidateDescendantSlots();
     unsigned descendantSlotCount() const;
 
     Member<ShadowRoot> m_prev;
     Member<ShadowRoot> m_next;
     Member<ShadowRootRareData> m_shadowRootRareData;
+    Member<ShadowRootRareDataV0> m_shadowRootRareDataV0;
+
     Member<SlotAssignment> m_slotAssignment;
     unsigned m_numberOfStyles : 26;
     unsigned m_type : 2;
     unsigned m_registeredWithParentShadowRoot : 1;
     unsigned m_descendantInsertionPointsIsValid : 1;
     unsigned m_delegatesFocus : 1;
     unsigned m_descendantSlotsIsValid : 1;
 };
 
 inline Element* ShadowRoot::activeElement() const
 {
     return adjustedFocusedElement();
 }
 
 inline ShadowRoot* Element::shadowRootIfV1() const
 {
     ShadowRoot* root = this->shadowRoot();
     if (root && root->isV1())
         return root;
     return nullptr;
 }
 
 DEFINE_NODE_TYPE_CASTS(ShadowRoot, isShadowRoot());
 DEFINE_TYPE_CASTS(ShadowRoot, TreeScope, treeScope, treeScope->rootNode().isShadowRoot(), treeScope.rootNode().isShadowRoot());
 DEFINE_TYPE_CASTS(TreeScope, ShadowRoot, shadowRoot, true, true);
 
 } // namespace blink
 
 #endif // ShadowRoot_h