Message Port Context Destroyed

third_party/blink/web_tests/fast/events/message-port-context-destroyed.html

150.0.7829.2217 B

Test that MessagePort is properly closed when its owning context goes away. The test succeeds if it doesn't crash and prints "PASS" below. See https://bugs.webkit.org/show\_bug.cgi?id=43140 for more details.