commit f2ea7e0f7fb0f2124b6c67ccaea1f6f313b2bcee
author Tom Ritter <tom@mozilla.com> Thu Aug 29 14:30:51 2019
committer moz-wptsync-bot <wptsync@mozilla.com> Thu Aug 29 22:02:23 2019
tree a91b8154f8f2831404645b02943856e1677ea3b7
parent 96702a4cd57346caaed25c09f6756b00d4be1185

Backed out changeset cae99e27ccdd, restoring document.timeline and rAF timestamp comparisons

Depends on D43788

Differential Revision: https://phabricator.services.mozilla.com/D43789

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1577243
gecko-commit: 02bfa4baa2edd2d1c9417018c4cbd85e99d15aa8
gecko-integration-branch: autoland
gecko-reviewers: birtles

web-animations/timing-model/timelines/document-timelines.html

diff --git a/web-animations/timing-model/timelines/document-timelines.html b/web-animations/timing-model/timelines/document-timelines.html
index f45865a..4023bba 100644
--- a/web-animations/timing-model/timelines/document-timelines.html
+++ b/web-animations/timing-model/timelines/document-timelines.html
@@ -9,10 +9,6 @@
 <script>
 'use strict';
 
-function matchUnconditionalClamping(timestamp) {
-  return parseFloat((Math.floor(timestamp / .02) * .02).toPrecision(8), 10);
-}
-
 async_test(t => {
   assert_greater_than_equal(document.timeline.currentTime, 0,
     'The current time is initially is positive or zero');
@@ -32,7 +28,7 @@
   // so we use requestAnimationFrame instead.
   window.requestAnimationFrame(rafTime => {
     t.step(() => {
-      assert_equals(document.timeline.currentTime, matchUnconditionalClamping(rafTime),
+      assert_equals(document.timeline.currentTime, rafTime,
                     'The current time matches requestAnimationFrame time');
     });
     t.done();