Have htmlediting create functions take a Document reference in argument

Source/core/editing/DeleteSelectionCommand.cpp

 /*
  * Copyright (C) 2005 Apple Computer, 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 607 matching lines @@
     // m_downstreamEnd's block has been emptied out by deletion.  There is no content inside of it to
     // move, so just remove it.
     Element* endBlock = enclosingBlock(m_downstreamEnd.deprecatedNode());
     if (!endBlock || !endBlock->contains(startOfParagraphToMove.deepEquivalent().deprecatedNode()) || !startOfParagraphToMove.deepEquivalent().deprecatedNode()) {
         removeNode(enclosingBlock(m_downstreamEnd.deprecatedNode()));
         return;
     }
 
     // We need to merge into m_upstreamStart's block, but it's been emptied out and collapsed by deletion.
     if (!mergeDestination.deepEquivalent().deprecatedNode() || !mergeDestination.deepEquivalent().deprecatedNode()->isDescendantOf(enclosingBlock(m_upstreamStart.containerNode())) || m_startsAtEmptyLine) {
-        insertNodeAt(createBreakElement(&document()).get(), m_upstreamStart);
+        insertNodeAt(createBreakElement(document()).get(), m_upstreamStart);
         mergeDestination = VisiblePosition(m_upstreamStart);
     }
 
     if (mergeDestination == startOfParagraphToMove)
         return;
 
     VisiblePosition endOfParagraphToMove = endOfParagraph(startOfParagraphToMove);
 
     if (mergeDestination == endOfParagraphToMove)
         return;
@@ skipping 179 matching lines @@
 
     if (!m_needPlaceholder && rootWillStayOpenWithoutPlaceholder) {
         VisiblePosition visualEnding(m_endingPosition);
         m_needPlaceholder = !isStartOfParagraph(visualEnding, CanCrossEditingBoundary)
             && isEndOfParagraph(visualEnding, CanCrossEditingBoundary)
             && lineBreakExistsAtVisiblePosition(visualEnding)
             && visualEnding.next(CannotCrossEditingBoundary).isNull()
             && lineBreakBeforeStart;
     }
 
-    RefPtr<Node> placeholder = m_needPlaceholder ? createBreakElement(&document()).get() : 0;
+    RefPtr<Node> placeholder = m_needPlaceholder ? createBreakElement(document()).get() : 0;
 
     if (placeholder) {
         if (m_sanitizeMarkup)
             removeRedundantBlocks();
         insertNodeAt(placeholder.get(), m_endingPosition);
     }
 
     rebalanceWhitespaceAt(m_endingPosition);
 
     calculateTypingStyleAfterDelete();
@@ skipping 12 matching lines @@
 
 // Normally deletion doesn't preserve the typing style that was present before it.  For example,
 // type a character, Bold, then delete the character and start typing.  The Bold typing style shouldn't
 // stick around.  Deletion should preserve a typing style that *it* sets, however.
 bool DeleteSelectionCommand::preservesTypingStyle() const
 {
     return m_typingStyle;
 }
 
 } // namespace WebCore