Move Node::enclosingBlockFlowElement() to htmlediting.h

Source/core/editing/htmlediting.h

 /*
  * Copyright (C) 2004, 2006, 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 46 matching lines @@
 // Functions returning Node
 
 ContainerNode* highestEditableRoot(const Position&, EditableType = ContentIsEditable);
 
 Node* highestEnclosingNodeOfType(const Position&, bool (*nodeIsOfType)(const Node*),
     EditingBoundaryCrossingRule = CannotCrossEditingBoundary, Node* stayWithin = 0);
 Node* highestNodeToRemoveInPruning(Node*, Node* excludeNode = 0);
 Element* lowestEditableAncestor(Node*);
 
 Element* enclosingBlock(Node*, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);
+Element* enclosingBlockFlowElement(Node&); // Deprecated, use enclosingBlock instead.
+bool inSameContainingBlockFlowElement(Node*, Node*);
 Element* enclosingTableCell(const Position&);
 Node* enclosingEmptyListItem(const VisiblePosition&);
 Element* enclosingAnchorElement(const Position&);
 Element* enclosingElementWithTag(const Position&, const QualifiedName&);
 Node* enclosingNodeOfType(const Position&, bool (*nodeIsOfType)(const Node*), EditingBoundaryCrossingRule = CannotCrossEditingBoundary);
 
 HTMLSpanElement* tabSpanElement(const Node*);
 Node* isLastPositionBeforeTable(const VisiblePosition&);
 Node* isFirstPositionAfterTable(const VisiblePosition&);
 
@@ skipping 189 matching lines @@
     // FIXME: this is required until 6853027 is fixed and text checking can do this for us.
     return character == '\'' || character == rightSingleQuotationMark || character == hebrewPunctuationGershayim;
 }
 
 String stringWithRebalancedWhitespace(const String&, bool startIsStartOfParagraph, bool endIsEndOfParagraph);
 const String& nonBreakingSpaceString();
 
 }
 
 #endif