Import CSSWG Shapes tests

LayoutTests/imported/csswg-test/css-shapes-1/shape-outside/supported-shapes/support/subpixel-utils.js

Index: LayoutTests/imported/csswg-test/css-shapes-1/shape-outside/supported-shapes/support/subpixel-utils.js
diff --git a/LayoutTests/fast/shapes/resources/subpixel-utils.js b/LayoutTests/imported/csswg-test/css-shapes-1/shape-outside/supported-shapes/support/subpixel-utils.js
similarity index 86%
copy from LayoutTests/fast/shapes/resources/subpixel-utils.js
copy to LayoutTests/imported/csswg-test/css-shapes-1/shape-outside/supported-shapes/support/subpixel-utils.js
index c6a0e0fca13679743d844badafc2859223c1d8fc..50bf0989f114f651c7e7481b0c090ffa3f8c1154 100644
--- a/LayoutTests/fast/shapes/resources/subpixel-utils.js
+++ b/LayoutTests/imported/csswg-test/css-shapes-1/shape-outside/supported-shapes/support/subpixel-utils.js
@@ -19,11 +19,8 @@ var SubPixelLayout = (function() {
         snapToLayoutUnit: function(f) {
             return isEnabled() ? Math.floor(f * 64) / 64 : Math.floor(f); // as in LayoutUnit(f).toFloat()
         },
-        ceilToLayoutUnit: function(f) {
+        ceilSnapToLayoutUnit: function(f) {
             return isEnabled() ? Math.ceil(f * 64) / 64 : Math.ceil(f); // see ceiledLayoutUnit(), LayoutUnit.h
-        },
-        resolution: function() {
-            return isEnabled() ? 1/64 : 1;
         }
     }
 }());