180933 2017-12-18 09:13:08 -0800 [WPE] TypeError: null is not an object (evaluating 'panel.parentElement.querySelector') in media controls 2020-03-12 03:19:59 -0700 1 1 1 Unclassified WebKit WPE WebKit WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 Ms2ger webkit-unassigned bugs-noreply dpino zan oldest_to_newest 1382764 0 Ms2ger 2017-12-18 09:13:08 -0800 Getting a couple of those exceptions in imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/interfaces/TextTrack/activeCues.html imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-api-texttracks.html 1557249 1 zan 2019-07-31 07:04:01 -0700 Also: imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-inline.html [ Failure ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-delete-during-setup.html [ Failure ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-metadata.html [ Failure ] 1557250 2 zan 2019-07-31 07:05:50 -0700 Error comes from the controlsAreHidden() function in mediaControlsBase.js, where the `panel.parentElement` is null due to the controls currently not being present. 1557253 3 zan 2019-07-31 07:13:45 -0700 Also: imported/w3c/web-platform-tests/preload/single-download-preload.html [ Failure ] 1629113 4 dpino 2020-03-12 03:19:59 -0700 All these tests started to pass since [r257130-r257133] onwards: * imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/interfaces/TextTrack/activeCues.html * imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-api-texttracks.html * imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-inline.html * imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-delete-during-setup.html * imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-metadata.html: * imported/w3c/web-platform-tests/preload/single-download-preload.html Likely fixed in r257133. Closing bug. Gardened in https://bugs.webkit.org/show_bug.cgi?id=208987.