Gecko sync update

Author: moz-wptsync-bot

html/obsolete/requirements-for-implementations/the-marquee-element-0/META.yml

@@ -0,0 +1,8 @@
+links:
+- product: firefox
+  results:
+  - subtest: Event handler IDL attributes must not be implemented
+    test: marquee-events-historical.html
+  - subtest: No events must be fired, at least during the first 100 ms
+    test: marquee-events-historical.html
+  url: https://bugzilla.mozilla.org/show_bug.cgi?id=1689725