Oilpan: move Range object to the oilpan heap.

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 400 matching lines @@
     updatePositionForTextRemoval(node.get(), offset, count, m_endingPosition);
     updatePositionForTextRemoval(node.get(), offset, count, m_leadingWhitespace);
     updatePositionForTextRemoval(node.get(), offset, count, m_trailingWhitespace);
     updatePositionForTextRemoval(node.get(), offset, count, m_downstreamEnd);
 
     CompositeEditCommand::deleteTextFromNode(node, offset, count);
 }
 
 void DeleteSelectionCommand::makeStylingElementsDirectChildrenOfEditableRootToPreventStyleLoss()
 {
-    RefPtr<Range> range = m_selectionToDelete.toNormalizedRange();
+    RefPtrWillBeRawPtr<Range> range = m_selectionToDelete.toNormalizedRange();
     RefPtr<Node> node = range->firstNode();
     while (node && node != range->pastLastNode()) {
         RefPtr<Node> nextNode = NodeTraversal::next(*node);
         if ((isHTMLStyleElement(*node) && !(toElement(node)->hasAttribute(scopedAttr))) || isHTMLLinkElement(*node)) {
             nextNode = NodeTraversal::nextSkippingChildren(*node);
             RefPtr<ContainerNode> rootEditableElement = node->rootEditableElement();
             if (rootEditableElement.get()) {
                 removeNode(node);
                 appendNode(node, rootEditableElement);
             }
@@ skipping 425 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