Merge 92966

Source/WebCore/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 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 1437 matching lines @@
     Document* document = m_frame->document();
 
     if (document->focusedNode() && document->focusedNode()->hasTagName(selectTag)) {
         HTMLSelectElement* selectElement = static_cast<HTMLSelectElement*>(document->focusedNode());
         if (selectElement->canSelectAll()) {
             selectElement->selectAll();
             return;
         }
     }
 
-    Node* root = 0;
+    RefPtr<Node> root = 0;
     Node* selectStartTarget = 0;
     if (isContentEditable()) {
         root = highestEditableRoot(m_selection.start());
         if (Node* shadowRoot = m_selection.nonBoundaryShadowTreeRootNode())
             selectStartTarget = shadowRoot->shadowAncestorNode();
         else
-            selectStartTarget = root;
+            selectStartTarget = root.get();
     } else {
         root = m_selection.nonBoundaryShadowTreeRootNode();
         if (root)
             selectStartTarget = root->shadowAncestorNode();
         else {
             root = document->documentElement();
             selectStartTarget = document->body();
         }
     }
     if (!root)
         return;
 
     if (selectStartTarget && !selectStartTarget->dispatchEvent(Event::create(eventNames().selectstartEvent, true, true)))
         return;
 
-    VisibleSelection newSelection(VisibleSelection::selectionFromContentsOfNode(root));
+    VisibleSelection newSelection(VisibleSelection::selectionFromContentsOfNode(root.get()));
 
     if (shouldChangeSelection(newSelection))
         setSelection(newSelection);
 
     selectFrameElementInParentIfFullySelected();
     notifyRendererOfSelectionChange(true);
 }
 
 bool FrameSelection::setSelectedRange(Range* range, EAffinity affinity, bool closeTyping)
 {
@@ skipping 442 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const WebCore::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif