Reviewed by Rob.

        http://bugs.webkit.org/show_bug.cgi?id=14060
        Cairo SVG support

        * WebCore.pro: Add new files to the build.
        * platform/graphics/svg/SVGPaintServerPattern.h:
        * platform/graphics/svg/SVGPaintServerSolid.h:
        * platform/graphics/svg/cairo: Added.
        * platform/graphics/svg/cairo/RenderPathCairo.cpp: Added.
        (WebCore::RenderPath::strokeContains):
        (WebCore::RenderPath::strokeBBox):
        * platform/graphics/svg/cairo/SVGPaintServerCairo.cpp: Added.
        (WebCore::SVGPaintServer::draw):
        (WebCore::SVGPaintServer::teardown):
        (WebCore::SVGPaintServer::renderPath):
        * platform/graphics/svg/cairo/SVGPaintServerGradientCairo.cpp: Added.
        (WebCore::SVGPaintServerGradient::setup):
        * platform/graphics/svg/cairo/SVGPaintServerPatternCairo.cpp: Added.
        (WebCore::SVGPaintServerPattern::setup):
        * platform/graphics/svg/cairo/SVGPaintServerSolidCairo.cpp: Added.
        (WebCore::SVGPaintServerSolid::setup):
        * platform/graphics/svg/cairo/SVGResourceClipperCairo.cpp: Added.
        (WebCore::SVGResourceClipper::applyClip):
        * platform/graphics/svg/cairo/SVGResourceMaskerCairo.cpp: Added.
        (WebCore::SVGResourceMasker::applyMask):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@23507 268f45cc-cd09-0410-ab3c-d52691b4dbfc