GitLab

        Reviewed by Darin Adler.

        EventHandler calls shouldChangeSelection needlessly
        https://bugs.webkit.org/show_bug.cgi?id=56324

        Extracted setSelectionIfNeeded and setNonDirectionalSelectionIfNeeded and
        avoided calling shouldChangeSelection and setSelection when the existing
        selection is identical to that of new selection.

        * page/EventHandler.cpp:
        (WebCore::setSelectionIfNeeded): Extracted.
        (WebCore::setNonDirectionalSelectionIfNeeded): Extracted.
        (WebCore::EventHandler::selectClosestWordFromMouseEvent): Calls a helper function above.
        (WebCore::EventHandler::selectClosestWordOrLinkFromMouseEvent): Ditto.
        (WebCore::EventHandler::handleMousePressEventTripleClick): Ditto.
        (WebCore::EventHandler::handleMousePressEventSingleClick): Ditto.
        (WebCore::EventHandler::updateSelectionForMouseDrag): Ditto.
        (WebCore::EventHandler::handleMouseReleaseEvent): Ditto.
2011-03-14  Anton Muhin  <antonm@chromium.org>

        Reviewed by Adam Barth.

        [v8] Rework object group building.
        https://bugs.webkit.org/show_bug.cgi?id=55399

        Instead of going top-down (from owner to owned elements), go up---from objects
        to their group ids.  That fits better to v8's object grouping model and guarantees
        that each wrapper belongs to the single group.

        Alas, this cannot be implemented for one kind of objects---CSSProperties.

        Part of core GC algorithm and tested extensively by exisiting layout tests.

        * platform/chromium/test_expectations.txt: Temporary suppress text differences.


git-svn-id: svn://svn.chromium.org/blink/trunk@81095 bbb929c8-8fbe-4397-9dbb-9b2b20218538