CSS Transforms: Implement transform-origin

LayoutTests/animations/interpolation/transform-origin-interpolation.html

Index: LayoutTests/animations/interpolation/transform-origin-interpolation.html
diff --git a/LayoutTests/animations/interpolation/transform-origin-interpolation.html b/LayoutTests/animations/interpolation/transform-origin-interpolation.html
index 81dd941d390908b65db4da1dd6d916f300d8691c..c680f5777c72dcea6810e3ae382aa98e8df09445 100644
--- a/LayoutTests/animations/interpolation/transform-origin-interpolation.html
+++ b/LayoutTests/animations/interpolation/transform-origin-interpolation.html
@@ -21,16 +21,16 @@
 <script src="resources/interpolation-test.js"></script>
 <script>
 assertInterpolation({
-  property: '-webkit-transform-origin',
-  from: '0% 50%',
-  to: '100% 150%'
+  property: 'transform-origin',
+  from: '0% 50% 5px',
+  to: '100% 150% 0px'
 }, [
-  {at: -0.3, is: '-30% 20%'},
-  {at: 0, is: '0% 50%'},
-  {at: 0.3, is: '30% 80%'},
-  {at: 0.6, is: '60% 110%'},
-  {at: 1, is: '100% 150%'},
-  {at: 1.5, is: '150% 200%'}
+  {at: -0.3, is: '-30% 20% 6.5px'},
+  {at: 0, is: '0% 50% 5px'},
+  {at: 0.3, is: '30% 80% 3.5px'},
+  {at: 0.6, is: '60% 110% 2px'},
+  {at: 1, is: '100% 150% 0px'},
+  {at: 1.5, is: '150% 200% -2.5px'}
 ]);
 </script>
 </body>