Reviewed by Geoff.

        Converting Obj-C++ to C++ in kcanvas

        * WebCore.xcodeproj/project.pbxproj:
        * kcanvas/device/quartz/KCanvasFilterQuartz.h:
        * kcanvas/device/quartz/KCanvasFilterQuartz.mm:
        * kcanvas/device/quartz/KCanvasItemQuartz.cpp: Added.
        * kcanvas/device/quartz/KCanvasItemQuartz.mm: Removed.
        * kcanvas/device/quartz/KRenderingDeviceQuartz.cpp: Added.
        * kcanvas/device/quartz/KRenderingDeviceQuartz.h:
        * kcanvas/device/quartz/KRenderingDeviceQuartz.mm: Removed.
        * kcanvas/device/quartz/KRenderingPaintServerGradientQuartz.mm:
        * kcanvas/device/quartz/KRenderingPaintServerQuartz.h:
        * kcanvas/device/quartz/QuartzSupport.cpp: Added.
        * kcanvas/device/quartz/QuartzSupport.h:
        * kcanvas/device/quartz/QuartzSupport.mm: Removed.
        * platform/graphics/svg/cg/SVGResourceClipperCg.cpp: Added.
        (WebCore::SVGResourceClipper::applyClip):
        * platform/graphics/svg/cg/SVGResourceClipperCg.mm: Removed.
        * platform/graphics/svg/cg/SVGResourceImageCg.cpp: Added.
        * platform/graphics/svg/cg/SVGResourceImageCg.mm: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17492 268f45cc-cd09-0410-ab3c-d52691b4dbfc