Web Animations: Use of hyphens is no longer supported

third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js

Index: third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js
diff --git a/third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js b/third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js
index 14a138da2439291ce7ada03568ccf4f61bf52c0e..791e63eb4acba9574476bd2cbfbb2c478c4ee417 100644
--- a/third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js
+++ b/third_party/WebKit/LayoutTests/animations/interpolation/resources/interpolation-test.js
@@ -118,12 +118,7 @@
       return expectFlip(from, to, 0.5);
     },
     interpolate: function(property, from, to, at, target) {
-      // Convert to camelCase
-      for (var i = property.length - 2; i > 0; --i) {
-        if (property[i] === '-') {
-          property = property.substring(0, i) + property[i + 1].toUpperCase() + property.substring(i + 2);
-        }
-      }
+      property = toCamelCase(property);
       this.interpolateKeyframes([
         {offset: 0, [property]: from},
         {offset: 1, [property]: to},
@@ -184,6 +179,15 @@
     });
   }
 
+  function toCamelCase(property) {
+    for (var i = property.length - 2; i > 0; --i) {
+      if (property[i] === '-') {
+        property = property.substring(0, i) + property[i + 1].toUpperCase() + property.substring(i + 2);
+      }
+    }
+    return property;
+  }
+
   function createTargetContainer(parent, className) {
     var targetContainer = createElement(parent);
     targetContainer.classList.add('container');
@@ -339,11 +343,11 @@ assertComposition({
         webAnimationsInterpolation.interpolateKeyframes([{
           offset: 0,
           composite: fromComposite,
-          [property]: from,
+          [toCamelCase(property)]: from,
         }, {
           offset: 1,
           composite: toComposite,
-          [property]: to,
+          [toCamelCase(property)]: to,
         }], expectation.at, target);
       };
       target.measure = function() {