Reviewed by me

    Reviewed by me

        Added new layout tests covering cases from recent bug fixes.

        * layout-tests/editing/inserting/insert-div-018-expected.txt: Added.
        * layout-tests/editing/inserting/insert-div-018.html: Added.
        * layout-tests/editing/inserting/insert-div-019-expected.txt: Added.
        * layout-tests/editing/inserting/insert-div-019.html: Added.
        * layout-tests/editing/inserting/insert-div-020-expected.txt: Added.
        * layout-tests/editing/inserting/insert-div-020.html: Added.
        * layout-tests/editing/inserting/insert-div-021-expected.txt: Added.
        * layout-tests/editing/inserting/insert-div-021.html: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8239 268f45cc-cd09-0410-ab3c-d52691b4dbfc