Web Animations: Use of hyphens is no longer supported

third_party/WebKit/LayoutTests/animations/big-number-clamping.html

Index: third_party/WebKit/LayoutTests/animations/big-number-clamping.html
diff --git a/third_party/WebKit/LayoutTests/animations/big-number-clamping.html b/third_party/WebKit/LayoutTests/animations/big-number-clamping.html
index 3830f90bf2c55dda69e2ed2232c46e0f1ac9e240..d68264ba1af1b99483e40384626d509fd4e36827 100644
--- a/third_party/WebKit/LayoutTests/animations/big-number-clamping.html
+++ b/third_party/WebKit/LayoutTests/animations/big-number-clamping.html
@@ -25,9 +25,18 @@ var numberProperties = [
 
 var bigNumber = 1e20;
 
+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;
+}
+
 for (var property of numberProperties) {
   test(() => {
-    animated.animate({[property]: bigNumber}, {fill: 'forwards'});
+    animated.animate({[toCamelCase(property)]: bigNumber}, {fill: 'forwards'});
     reference.style[property] = bigNumber;
     assert_equals(getComputedStyle(animated)[property], getComputedStyle(reference)[property]);
   }, `Animations on ${property} should clamp identically to setting inline style`);