Implement AnimationEffectTimingReadOnly interface

third_party/WebKit/Source/core/animation/AnimationEffectTimingReadOnly.idl

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// http://w3c.github.io/web-animations/#the-animationeffecttimingreadonly-interface
+// TODO(suzyh): Use enums instead of DOMStrings where specced
+
+[
+    RuntimeEnabled=WebAnimationsAPI,
+] interface AnimationEffectTimingReadOnly {
+    readonly attribute double delay;
+    readonly attribute double endDelay;
+    readonly attribute DOMString fill;
+    readonly attribute double iterationStart;
+    readonly attribute unrestricted double iterations;
+    readonly attribute (unrestricted double or DOMString) duration;
+    readonly attribute DOMString direction;
+    readonly attribute DOMString easing;
+};