Have positionInParentBeforeNode() / positionInParentAfterNode() take a reference

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 91 matching lines @@
 bool isTabSpanTextNode(const Node*);
 bool isMailBlockquote(const Node*);
 bool isRenderedTable(const Node*);
 bool isRenderedTableElement(const Node*);
 bool isTableCell(const Node*);
 bool isEmptyTableCell(const Node*);
 bool isTableStructureNode(const Node*);
 bool isListElement(Node*);
 bool isListItem(const Node*);
 bool isNodeRendered(const Node*);
-bool isNodeVisiblyContainedWithin(Node*, const Range*);
+bool isNodeVisiblyContainedWithin(Node&, const Range&);
 bool isRenderedAsNonInlineTableImageOrHR(const Node*);
 bool areIdenticalElements(const Node*, const Node*);
 bool isNonTableCellHTMLBlockElement(const Node*);
 TextDirection directionOfEnclosingBlock(const Position&);
 
 // -------------------------------------------------------------------------
 // Position
 // -------------------------------------------------------------------------
 
 // Functions returning Position
@@ skipping 35 matching lines @@
 // FIXME: isRichlyEditablePosition should also take EUpdateStyle.
 bool isEditablePosition(const Position&, EditableType = ContentIsEditable, EUpdateStyle = UpdateStyle);
 bool isRichlyEditablePosition(const Position&, EditableType = ContentIsEditable);
 bool lineBreakExistsAtPosition(const Position&);
 bool isVisiblyAdjacent(const Position& first, const Position& second);
 bool isAtUnsplittableElement(const Position&);
 
 // miscellaneous functions on Position
 
 unsigned numEnclosingMailBlockquotes(const Position&);
-void updatePositionForNodeRemoval(Position&, Node*);
+void updatePositionForNodeRemoval(Position&, Node&);
 
 // -------------------------------------------------------------------------
 // VisiblePosition
 // -------------------------------------------------------------------------
 
 // Functions returning VisiblePosition
 
 VisiblePosition firstEditablePositionAfterPositionInRoot(const Position&, Node*);
 VisiblePosition lastEditablePositionBeforePositionInRoot(const Position&, Node*);
-VisiblePosition visiblePositionBeforeNode(Node*);
-VisiblePosition visiblePositionAfterNode(Node*);
+VisiblePosition visiblePositionBeforeNode(Node&);
+VisiblePosition visiblePositionAfterNode(Node&);
 
 bool lineBreakExistsAtVisiblePosition(const VisiblePosition&);
 
 int comparePositions(const VisiblePosition&, const VisiblePosition&);
 
 int indexForVisiblePosition(const VisiblePosition&, RefPtr<ContainerNode>& scope);
 VisiblePosition visiblePositionForIndex(int index, ContainerNode* scope);
 
 // -------------------------------------------------------------------------
 // Range
@@ skipping 62 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