Add support for <basic-shape> to 'clip-path' on SVG elements

third_party/WebKit/Source/core/paint/SVGClipPainter.h

Index: third_party/WebKit/Source/core/paint/SVGClipPainter.h
diff --git a/third_party/WebKit/Source/core/paint/SVGClipPainter.h b/third_party/WebKit/Source/core/paint/SVGClipPainter.h
index c5586d282e041337437dc42c8e3a87f5393e9d08..f5203c0742e70fa8180456db88dff1917b53c225 100644
--- a/third_party/WebKit/Source/core/paint/SVGClipPainter.h
+++ b/third_party/WebKit/Source/core/paint/SVGClipPainter.h
@@ -16,15 +16,11 @@ class GraphicsContext;
 class LayoutObject;
 class LayoutSVGResourceClipper;
 
+enum class ClipperState;
+
 class SVGClipPainter {
     STACK_ALLOCATED();
 public:
-    enum ClipperState {
-        ClipperNotApplied,
-        ClipperAppliedPath,
-        ClipperAppliedMask
-    };
-
     SVGClipPainter(LayoutSVGResourceClipper& clip) : m_clip(clip) { }
 
     bool prepareEffect(const LayoutObject&, const FloatRect&, const FloatRect&, const FloatPoint&, GraphicsContext&, ClipperState&);