GitLab

        Reviewed by harrison
        
        <rdar://problem/4747450>
        Gmail Editor: Caret doesn't always position itself after list marker
        <rdar://problem/4917055>
        GMail Editor: A hang can occur when attempting to apply list styling to selected indented text

        Added:
        * editing/execCommand/4747450-expected.checksum: Added.
        * editing/execCommand/4747450-expected.png: Added.
        * editing/execCommand/4747450-expected.txt: Added.
        * editing/execCommand/4747450.html: Added.
        * editing/execCommand/4917055-expected.txt: Added.
        * editing/execCommand/4917055.html: Added.
        Fixed:
        * editing/execCommand/create-list-with-hr-expected.checksum:
        * editing/execCommand/create-list-with-hr-expected.png:
        * editing/execCommand/create-list-with-hr-expected.txt:

WebCore:

        Reviewed by harrison
        
        <rdar://problem/4747450>
        Gmail Editor: Caret doesn't always position itself after list marker
        <rdar://problem/4917055>
        GMail Editor: A hang can occur when attempting to apply list styling to selected indented text

        * editing/TextIterator.cpp:
        (WebCore::TextIterator::rangeFromLocationAndLength): Use VisiblePositions
        to compute the end of a run for emitted '\n's, because it's often wrong
        in that case.



git-svn-id: svn://svn.chromium.org/blink/trunk@18895 bbb929c8-8fbe-4397-9dbb-9b2b20218538