Revert of Test that visual state callbacks do not deadlock. (patchset #6 id:100001...

Revert of Test that visual state callbacks do not deadlock. (patchset #6 id:100001 of https://codereview.chromium.org/939673002/)

Reason for revert:
Timing out on Blink waterfall. See https://code.google.com/p/chromium/issues/detail?id=458577#c10 .

Original issue's description:
> Test that visual state callbacks do not deadlock.
>
> Visual state callbacks should always be received,
> even if there are no pending commits. We add
> a test for that. See crbug/458577 for more details.
>
> BUG=458577
>
> Committed: https://crrev.com/dcc18cb569b31bc07c97d49573e695ec8b1f80c0
> Cr-Commit-Position: refs/heads/master@{#317306}

TBR=piman@chromium.org,sievers@chromium.org,skyostil@chromium.org,igsolla@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=458577

Review URL: https://codereview.chromium.org/942973002

Cr-Commit-Position: refs/heads/master@{#317381}