If there is a running display link in the UI process, there is no need to keep it around if the page is being closed or the WebContent process has crashed.
Created attachment 343272 [details] Patch
Comment on attachment 343272 [details] Patch Attachment 343272 [details] did not pass ios-sim-ews (ios-simulator-wk2): Output: https://webkit-queues.webkit.org/results/8285182 New failing tests: performance-api/performance-observer-no-document-leak.html
Created attachment 343302 [details] Archive of layout-test-results from ews125 for ios-simulator-wk2 The attached test failures were seen while running run-webkit-tests on the ios-sim-ews. Bot: ews125 Port: ios-simulator-wk2 Platform: Mac OS X 10.13.4
Comment on attachment 343272 [details] Patch Attachment 343272 [details] did not pass win-ews (win): Output: https://webkit-queues.webkit.org/results/8301436 New failing tests: http/tests/security/local-video-source-from-remote.html
Created attachment 343423 [details] Archive of layout-test-results from ews204 for win-future The attached test failures were seen while running run-webkit-tests on the win-ews. Bot: ews204 Port: win-future Platform: CYGWIN_NT-6.1-2.9.0-0.318-5-3-x86_64-64bit
Comment on attachment 343272 [details] Patch r=me
<rdar://problem/41721690>
Comment on attachment 343272 [details] Patch Clearing flags on attachment: 343272 Committed r233422: <https://trac.webkit.org/changeset/233422>
All reviewed patches have been landed. Closing bug.