Take into account fill-rule for polygon interpolation

LayoutTests/animations/interpolation/shape-outside.html

Index: LayoutTests/animations/interpolation/shape-outside.html
diff --git a/LayoutTests/animations/interpolation/shape-outside.html b/LayoutTests/animations/interpolation/shape-outside.html
index 6a0953e44f93b8d83e0b7c3ca3fbf8930538ae8c..63aeba475e998f752f9f23c3a0f622569617afec 100644
--- a/LayoutTests/animations/interpolation/shape-outside.html
+++ b/LayoutTests/animations/interpolation/shape-outside.html
@@ -70,6 +70,19 @@ assertInterpolation({
 
 assertInterpolation({
   property: 'shape-outside',
+  from: 'polygon(evenodd, 0px 0px, 25px 25px, 50px 50px)',
+  to: 'polygon(nonzero, 25px 25px, 50px 50px, 75px 75px)',
+}, [
+  {at: -0.3, is: 'polygon(evenodd, 0px 0px, 25px 25px, 50px 50px)'},
+  {at: 0, is: 'polygon(evenodd, 0px 0px, 25px 25px, 50px 50px)'},
+  {at: 0.3, is: 'polygon(evenodd, 0px 0px, 25px 25px, 50px 50px)'},
+  {at: 0.6, is: 'polygon(nonzero, 25px 25px, 50px 50px, 75px 75px)'},
+  {at: 1, is: 'polygon(nonzero, 25px 25px, 50px 50px, 75px 75px)'},
+  {at: 1.5, is: 'polygon(nonzero, 25px 25px, 50px 50px, 75px 75px)'},
+]);
+
+assertInterpolation({
+  property: 'shape-outside',
   from: 'none',
   to: 'ellipse(100% 100% at 0% 0%)',
 }, [