Reviewed by Darin Adler.

        Cleanup of the new MidpointState class.  Turn it into a struct instead.  Fix a mistaken
        assertion removal and some unintentional whitespace changes.

        * platform/text/BidiResolver.h:
        (WebCore::MidpointState::reset):
        * rendering/RenderBlock.h:
        * rendering/bidi.cpp:
        (WebCore::BidiRun::operator delete):
        (WebCore::chopMidpointsAt):
        (WebCore::checkMidpoints):
        (WebCore::addMidpoint):
        (WebCore::appendRunsForObject):
        (WebCore::RenderBlock::findNextLineBreak):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@44650 268f45cc-cd09-0410-ab3c-d52691b4dbfc