Automatic update from web-platform-testsWeb Animations: Fix bug with Document::getAnimations Per spec, we should exclude effects that do not target an element in the called document: https://drafts.csswg.org/web-animations-1/#dom-document-getanimations Bug: 828424 Change-Id: I41405d82184b17c1185931e34735a5f946573844 Reviewed-on: https://chromium-review.googlesource.com/992812 Commit-Queue: Stephen McGruer <smcgruer@chromium.org> Reviewed-by: Xida Chen <xidachen@chromium.org> Cr-Commit-Position: refs/heads/master@{#548156} wpt-commits: c148004d6600cc0530d41ec285f2cf80f443052f wpt-pr: 10281 wpt-commits: c148004d6600cc0530d41ec285f2cf80f443052f wpt-pr: 10281