WebCore:

WebCore:
	Fixed <rdar://problem/3937203> when a div adds a scrollbar (overflow:auto) we do not get regions

	Just set dashboard dirty bit when overflow scrolling changes.

	Don't do comparison of regions in before scroll regions are
	added, instead do it in WebKit after automatic scroll regions
	are added.

        Reviewed by Maciej.

        * khtml/css/cssparser.cpp:
        (CSSParser::parseDashboardRegions):  Cleaned up comments
        * khtml/css/cssstyleselector.cpp:
        (khtml::CSSStyleSelector::styleForElement): Cleaned up comments

        * khtml/khtmlview.cpp:
        (KHTMLView::updateDashboardRegions):
        * khtml/rendering/render_layer.cpp:
        (RenderLayer::updateScrollInfoAfterLayout):
        * kwq/WebDashboardRegion.m:
        (-[WebDashboardRegion isEqual:]):

Webkit:
	Fixed <rdar://problem/3937203> when a div adds a scrollbar (overflow:auto) we do not get regions

	Compare regions after automatice scroll regions have been
	added.

        Reviewed by Maciej.

        * WebCoreSupport.subproj/WebBridge.h:
        * WebCoreSupport.subproj/WebBridge.m:
        (-[WebBridge dealloc]):
        (-[WebBridge _compareDashboardRegions:]):
        (-[WebBridge dashboardRegionsChanged:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8665 268f45cc-cd09-0410-ab3c-d52691b4dbfc