Merge 142642

Source/WebCore/editing/CompositeEditCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2007, 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 75 matching lines @@
     , m_endingSelection(endingSelection)
     , m_startingRootEditableElement(startingSelection.rootEditableElement())
     , m_endingRootEditableElement(endingSelection.rootEditableElement())
     , m_editAction(editAction)
 {
 }
 
 void EditCommandComposition::unapply()
 {
     ASSERT(m_document);
-    Frame* frame = m_document->frame();
+    RefPtr<Frame> frame = m_document->frame();
     ASSERT(frame);
 
     // Changes to the document may have been made since the last editing operation that require a layout, as in <rdar://problem/5658603>.
     // Low level operations, like RemoveNodeCommand, don't require a layout because the high level operations that use them perform one
     // if one is necessary (like for the creation of VisiblePositions).
     m_document->updateLayoutIgnorePendingStylesheets();
     
     DeleteButtonController* deleteButtonController = frame->editor()->deleteButtonController();
     deleteButtonController->disable();
     size_t size = m_commands.size();
     for (size_t i = size; i != 0; --i)
         m_commands[i - 1]->doUnapply();
     deleteButtonController->enable();
     
     frame->editor()->unappliedEditing(this);
 }
 
 void EditCommandComposition::reapply()
 {
     ASSERT(m_document);
-    Frame* frame = m_document->frame();
+    RefPtr<Frame> frame = m_document->frame();
     ASSERT(frame);
 
     // Changes to the document may have been made since the last editing operation that require a layout, as in <rdar://problem/5658603>.
     // Low level operations, like RemoveNodeCommand, don't require a layout because the high level operations that use them perform one
     // if one is necessary (like for the creation of VisiblePositions).
     m_document->updateLayoutIgnorePendingStylesheets();
     
     DeleteButtonController* deleteButtonController = frame->editor()->deleteButtonController();
     deleteButtonController->disable();
     size_t size = m_commands.size();
@@ skipping 1339 matching lines @@
     return node.release();
 }
 
 PassRefPtr<Element> createBlockPlaceholderElement(Document* document)
 {
     RefPtr<Element> breakNode = document->createElement(brTag, false);
     return breakNode.release();
 }
 
 } // namespace WebCore