Manually rebase Mac10.9 mixed-directionality-selection.html
Manually rebase Mac10.9 mixed-directionality-selection.html

Follow-up to http://crrev.com/1919613003. This test is now showing as passing at
ToT on the builder. In our attempt reverted yesterday
http://crrev.com/1908283003 we actually updated existing baseline, whereas here
we simply leave as-is and remove the entry in TestExpectations.

BUG=601166
TBR=eae@chromium.org

Review URL: https://codereview.chromium.org/1912353002 .

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#389383}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk