GitLab

By default, webkit_layout_test failurse are retried 3 times. But when
'--test-list' is passed, the retry count defaults to 0. To simplify the logic,
this CL makes it so that webkit_layout_test failures are always retried 3 times.

Bug: 888734
Change-Id: I46d15d71c979e5f12f334f5dcff41637f3f3aef4
Reviewed-on: https://chromium-review.googlesource.com/1244018
Commit-Queue: Erik Chen <erikchen@chromium.org>
Reviewed-by: Stephen Martinis <martiniss@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594383}