Support slot element's fallback content feature

third_party/WebKit/Source/core/dom/Node.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 465 matching lines @@
 
     // Returns true if this node is associated with a document and is in its associated document's
     // node tree, false otherwise.
     bool inDocument() const
     {
         return getFlag(InDocumentFlag);
     }
     bool isInShadowTree() const { return getFlag(IsInShadowTreeFlag); }
     bool isInTreeScope() const { return getFlag(static_cast<NodeFlags>(InDocumentFlag | IsInShadowTreeFlag)); }
 
+    bool isInV1ShadowTree() const;
+    bool isInV0ShadowTree() const;
+    bool isChildOfV1ShadowHost() const;
+    bool isChildOfV0ShadowHost() const;
+
     bool isDocumentTypeNode() const { return nodeType() == DOCUMENT_TYPE_NODE; }
     virtual bool childTypeAllowed(NodeType) const { return false; }
     unsigned countChildren() const;
 
     bool isDescendantOf(const Node*) const;
     bool contains(const Node*) const;
     bool containsIncludingShadowDOM(const Node*) const;
     bool containsIncludingHostElements(const Node&) const;
     Node* commonAncestor(const Node&, ContainerNode* (*parent)(const Node&)) const;
 
@@ skipping 157 matching lines @@
     void unregisterTransientMutationObserver(MutationObserverRegistration*);
     void notifyMutationObserversNodeWillDetach();
 
     unsigned connectedSubframeCount() const;
     void incrementConnectedSubframeCount(unsigned amount = 1);
     void decrementConnectedSubframeCount(unsigned amount = 1);
     void updateAncestorConnectedSubframeCountForInsertion() const;
 
     PassRefPtrWillBeRawPtr<StaticNodeList> getDestinationInsertionPoints();
     HTMLSlotElement* assignedSlot() const;
-    HTMLSlotElement* assignedSlotForBinding() { updateDistribution(); return assignedSlot(); }
+    HTMLSlotElement* assignedSlotForBinding();
 
     void setAlreadySpellChecked(bool flag) { setFlag(flag, AlreadySpellCheckedFlag); }
     bool isAlreadySpellChecked() { return getFlag(AlreadySpellCheckedFlag); }
 
     bool isFinishedParsingChildren() const { return getFlag(IsFinishedParsingChildrenFlag); }
 
     DECLARE_VIRTUAL_TRACE();
 
     unsigned lengthOfContents() const;
 
@@ skipping 244 matching lines @@
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const blink::Node*);
 void showTree(const blink::Node*);
 void showNodePath(const blink::Node*);
 #endif
 
 #endif // Node_h