Simplify CRC2D winding rule handling

LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt

Index: LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt
diff --git a/LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt b/LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt
index b77249fc406d74332c30b1a70f726037d667066e..91e0ddf7b4b54ee2233f3a088cce2ddc9c638764 100644
--- a/LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt
+++ b/LayoutTests/fast/canvas/canvas-isPointInPath-winding-expected.txt
@@ -25,6 +25,10 @@ PASS ctx.isPointInPath(path, 50, 50, 'nonzero') is true
 Testing evenodd isPointInPath with Path object
 PASS ctx.isPointInPath(path, 50, 50, 'evenodd') is false
 
+Testing invalid enumeration isPointInPath (w/ and w/o Path object
+PASS ctx.isPointInPath(path, 50, 50, 'gazonk') threw exception TypeError: Failed to execute 'isPointInPath' on 'CanvasRenderingContext2D': parameter 4 ('gazonk') is not a valid enum value..
+PASS ctx.isPointInPath(50, 50, 'gazonk') threw exception TypeError: Failed to execute 'isPointInPath' on 'CanvasRenderingContext2D': parameter 3 ('gazonk') is not a valid enum value..
+
 Testing null isPointInPath with Path object
 PASS ctx.isPointInPath(null, 50, 50) threw exception TypeError: Failed to execute 'isPointInPath' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid Path object..
 PASS ctx.isPointInPath(null, 50, 50, 'nonzero') threw exception TypeError: Failed to execute 'isPointInPath' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid Path object..