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The benefit of converting the test to typ is that it makes adding other
monochrome tests easier.

BUG=1115604

Change-Id: Id36ae6cc9e60efa27d54a1f37f39f7004b9c3619
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2456189
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>
Cr-Commit-Position: refs/heads/master@{#814863}