Bestowed the gift of -webkit-dashboard-region upon all platforms, since
        there's nothing Mac-specific about it other than the name. This also
        allowed me to get rid of FrameViewMac.mm.

        Removed a lot of #if PLATFORM(MAC):

        * css/CSSComputedStyleDeclaration.cpp:
        (WebCore::):
        (WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue):
        * css/CSSPrimitiveValue.cpp:
        (WebCore::CSSPrimitiveValue::CSSPrimitiveValue):
        (WebCore::CSSPrimitiveValue::cleanup):
        (WebCore::CSSPrimitiveValue::cssText):
        * css/CSSPrimitiveValue.h:
        (WebCore::CSSPrimitiveValue::getDashboardRegionValue):
        (WebCore::CSSPrimitiveValue::):
        * css/cssparser.cpp:
        (WebCore::CSSParser::parseValue):
        (WebCore::CSSParser::parseDashboardRegions):
        * css/cssparser.h:
        * css/cssstyleselector.cpp:
        (WebCore::CSSStyleSelector::applyProperty):
        * dom/Document.cpp:
        (WebCore::Document::Document):
        * dom/Document.h:
        * page/Frame.cpp:
        (WebCore::Frame::paint):
        * page/Frame.h:
        * page/FrameView.cpp:
        (WebCore::FrameView::layout):
        (WebCore::FrameView::updateDashboardRegions): Moved from FrameViewMac.mm.
        * page/FrameView.h:
        * page/qt/FrameQt.cpp:
        (WebCore::Frame::dashboardRegionsChanged): Stubbed out.
        * platform/gdk/FrameGdk.cpp:
        (WebCore::Frame::dashboardRegionsChanged): Ditto.
        * rendering/RenderLayer.cpp:
        (WebCore::RenderLayer::scrollToOffset):
        (WebCore::RenderLayer::setHasHorizontalScrollbar):
        (WebCore::RenderLayer::setHasVerticalScrollbar):
        (WebCore::RenderLayer::updateScrollInfoAfterLayout):
        * rendering/RenderObject.cpp:
        (WebCore::RenderObject::setStyle):

        * WebCore.xcodeproj/project.pbxproj: Removed FrameViewMac.mm.
        * bridge/mac/FrameViewMac.mm: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@20794 268f45cc-cd09-0410-ab3c-d52691b4dbfc