<rdar://problem/4796730> table deletion elements are serialized out if they are visible when innerHTML or a Web Archive is made

        Disable the delete button controller when cloning nodes, Mail does this before saving a draft.

        * dom/ContainerNode.cpp:
        (WebCore::ContainerNode::cloneChildNodes):
        * editing/markup.cpp:
        (WebCore::createFragmentFromNodes):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17833 268f45cc-cd09-0410-ab3c-d52691b4dbfc