Updated to Chrome 45 (2454) moved from SVN to git.

core/animation/AnimationTimeline.idl

 // Copyright 2014 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://www.w3.org/TR/web-animations/#the-animationtimeline-interface
+
+// TODO(dstockwell): This interface has several changes in the latest spec:
+// https://w3c.github.io/web-animations/#the-animationtimeline-interface
+
 [
     RuntimeEnabled=WebAnimationsAPI,
     WillBeGarbageCollected,
 ] interface AnimationTimeline {
-    readonly attribute double? currentTime;
-    AnimationPlayer play(AnimationNode source);
-    sequence<AnimationPlayer> getAnimationPlayers();
+    attribute double? currentTime;
+    attribute double playbackRate;
+    Animation play(AnimationEffectReadOnly source);
+    sequence<Animation> getAnimations();
 };