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

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

Index: third_party/WebKit/Source/core/paint/ClipPathClipper.h
diff --git a/third_party/WebKit/Source/core/paint/ClipPathClipper.h b/third_party/WebKit/Source/core/paint/ClipPathClipper.h
index 37c640102ac41bf3a8d25d5cb76dbf9dc34344c6..cb445a1c0757a2de6e6fe42d8be9cfc56166735e 100644
--- a/third_party/WebKit/Source/core/paint/ClipPathClipper.h
+++ b/third_party/WebKit/Source/core/paint/ClipPathClipper.h
@@ -5,32 +5,41 @@
 #ifndef ClipPathClipper_h
 #define ClipPathClipper_h
 
-#include "core/paint/SVGClipPainter.h"
 #include "platform/graphics/paint/ClipPathRecorder.h"
 #include "wtf/Optional.h"
 
 namespace blink {
 
+class ClipPathOperation;
 class FloatPoint;
 class FloatRect;
 class GraphicsContext;
 class LayoutSVGResourceClipper;
 class LayoutObject;
 
+enum class ClipperState {
+    NotApplied,
+    AppliedPath,
+    AppliedMask
+};
+
 class ClipPathClipper {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     ClipPathClipper(
         GraphicsContext&,
+        ClipPathOperation&,
         const LayoutObject&,
         const FloatRect& referenceBox,
         const FloatPoint& origin);
     ~ClipPathClipper();
 
+    bool usingMask() const { return m_clipperState == ClipperState::AppliedMask; }
+
 private:
     LayoutSVGResourceClipper* m_resourceClipper;
     Optional<ClipPathRecorder> m_clipPathRecorder;
-    SVGClipPainter::ClipperState m_clipperState;
+    ClipperState m_clipperState;
     const LayoutObject& m_layoutObject;
     GraphicsContext& m_context;
 };