Make Touch.radiusX/Y float and make Touch.webkit* aliases in the IDL

Source/core/dom/Touch.idl

Index: Source/core/dom/Touch.idl
diff --git a/Source/core/dom/Touch.idl b/Source/core/dom/Touch.idl
index dd4f87078eda045050726358ec1970c9ffe9c2df..4966a1ac7511cec330a1557f8e0d1a82fab00f7b 100644
--- a/Source/core/dom/Touch.idl
+++ b/Source/core/dom/Touch.idl
@@ -40,14 +40,14 @@
 
     // Touch Events Extensions
     // http://rawgit.com/w3c/touch-events/master/touchevents.html#touch-interface
-    // FIXME: radiusX and radiusY should be float, not double.
-    readonly attribute double radiusX;
-    readonly attribute double radiusY;
+    readonly attribute float radiusX;
+    readonly attribute float radiusY;
+    // readonly attribute float rotationAngle;

[Rick Byers, 2015/05/20 15:33:41]

FYI I think we can unprefixing this too and deprecated all the prefix versions -
see crbug.com/460099.

[philipj_slow, 2015/05/20 18:08:37]

That looks very quick to do indeed, and I'd be very quick to LGTM both shipping
rotationAngle and deprecating the prefixed attributes :)

     readonly attribute float force;
 
     // Non-standard APIs
-    [MeasureAs=PrefixedTouchRadiusX] readonly attribute double webkitRadiusX;
-    [MeasureAs=PrefixedTouchRadiusY] readonly attribute double webkitRadiusY;
-    [MeasureAs=PrefixedTouchRotationAngle] readonly attribute float webkitRotationAngle;
-    [MeasureAs=PrefixedTouchForce] readonly attribute float webkitForce;
+    [MeasureAs=PrefixedTouchRadiusX, ImplementedAs=radiusX] readonly attribute float webkitRadiusX;
+    [MeasureAs=PrefixedTouchRadiusY, ImplementedAs=radiusY] readonly attribute float webkitRadiusY;
+    [MeasureAs=PrefixedTouchRotationAngle, ImplementedAs=rotationAngle] readonly attribute float webkitRotationAngle;
+    [MeasureAs=PrefixedTouchForce, ImplementedAs=force] readonly attribute float webkitForce;
 };