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This reverts commit ed47f31b.

Reason for revert: All tests from TabTest reported flaky crbug.com/859718

Original change's description:
> Convert chrome/ tests using ViewsTestBase to ChromeViewsTestBase.
> 
> This ensures these tests are testing the actual harmony/refresh behavior, and
> makes sure as people add more calls to ChromeLayoutProvider to the code they
> don't result in unexpected test crashes.
> 
> Bug: none
> Change-Id: If21b7eec387dc47be448e2dbb2730ddacb7b51fe
> Reviewed-on: https://chromium-review.googlesource.com/1121787
> Commit-Queue: Peter Kasting <pkasting@chromium.org>
> Reviewed-by: Lei Zhang <thestig@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#572008}

TBR=pkasting@chromium.org,thestig@chromium.org

Change-Id: Ib0d68d4aaff4a8617b95f4456eef0dad9f66e57b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: none
Reviewed-on: https://chromium-review.googlesource.com/1123839Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572070}