bors-servo a297e8f288 Auto merge of #20824 - servo-wpt-sync:wpt_update_18-05-2018, r=jdm ... Sync WPT with upstream (18-05-2018) Automated downstream sync of changes from upstream as of 18-05-2018. [no-wpt-sync] <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/20824) <!-- Reviewable:end -->		2018-05-19 18:22:17 -04:00
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bluetooth	Update web-platform-tests to revision 81962ac8802223d038b188b6f9cb88a0a9c5beee	2018-05-18 23:55:46 -04:00
css	Implement font fallback	2018-05-19 14:33:36 +10:00
mozilla	Auto merge of #20296 - asajeffrey:wpt-mozilla-worklets-set-timeout, r=jdm	2018-03-15 13:29:27 -04:00
webgl	Auto merge of #20824 - servo-wpt-sync:wpt_update_18-05-2018, r=jdm	2018-05-19 18:22:17 -04:00
MANIFEST.json	Auto merge of #20752 - pyfisch:backgrounds42, r=emilio	2018-05-19 11:02:01 -04:00