As part of upstreaming all of the Chromium baselines and test expectations, we need to actually upstream the test_expectations.txt file and flip the test infrastructure to point to it (and start using a downstream expectations file).
Created attachment 51099 [details] Patch
Note that we will need to update the patch w/ the latest (reasonable) test_expectations.txt just before this actually lands.
Comment on attachment 51099 [details] Patch LGTM
Comment on attachment 51099 [details] Patch Hot damn!