The following inspector layout tests started out reporting leaks on "WebKit Linux Leak" bot, starting with this build: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/builds/18060

http/tests/inspector-enabled/dedicated-workers-list.html
http/tests/inspector/sources/debugger/worker-debugging-script-mapping.html
http/tests/inspector/sources/debugger/worker-debugging.html
inspector/console/console-revoke-error-in-worker.html
inspector/console/console-uncaught-promise-in-worker.html
inspector/console/worker-eval-contains-stack.html
inspector/console/worker-exception-message-contains-stack.html
inspector/sources/debugger-ui/script-snippet-model.html
inspector/tracing/worker-events.html
inspector/tracing/worker-js-frames.html
virtual/threaded/inspector/tracing/worker-events.html
virtual/threaded/inspector/tracing/worker-js-frames.html

Blamelist: https://chromium.googlesource.com/chromium/src/+log/d4da63d8b5c49d7fa7a2ec9821400350a0670059%5E..ab7a08b61e58d1a50565cb892f3402cebafbcf16?pretty=fuller

dgozman@: I'm suspecting your https://codereview.chromium.org/1774323002 since it is the only one with inspector changes.  Could you please take a look at this?