Timeline used to only be invoked for events happening in inspected contexts. Since this is not necessary a case now after bug 105796, we need a way to mute timeline when we receive events from contexts that are not related to the inspected page.
Created attachment 180925 [details] Patch
Comment on attachment 180925 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=180925&action=review > Source/WebCore/ChangeLog:3 > + Web Inspector: support muting timeline when processing events not from inspected contexts Based on the offline discussion, you don't need this yet.
Closing as invalid, as this bug pertains to the old inspector UI and/or its tests. Please file a new bug (https://www.webkit.org/new-inspector-bug) if the bug/feature/issue is still relevant to WebKit trunk.