GitLab

 * Add a method that will take the set difference of the test case
   file and the ignored test file.
 * Add support for per-platform ignore files.

Bug: 1145240
Change-Id: I9c28d6f1fb82a6b13fcd0c9fae738c9aff0bd630
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2599831
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841680}