Reviewed by Darin, Adele.

    Reviewed by Darin, Adele.

        Some popup refactoring/cleanup.

        * html/HTMLSelectElement.cpp:
        (WebCore::HTMLSelectElement::defaultEventHandler):
        * rendering/RenderMenuList.cpp:
        (WebCore::RenderMenuList::RenderMenuList):
        (WebCore::RenderMenuList::~RenderMenuList):
        (WebCore::RenderMenuList::showPopup):
        (WebCore::RenderMenuList::hidePopup):
        * rendering/RenderMenuList.h:
        (WebCore::RenderMenuList::popup):
        (WebCore::RenderMenuList::popupIsVisible):
        * rendering/RenderPopupMenu.h:
        * rendering/RenderPopupMenuMac.h:
        (WebCore::RenderPopupMenuMac::hidePopup):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@15991 268f45cc-cd09-0410-ab3c-d52691b4dbfc