Reland of grit: Automatically replace ... with …

Previous change: https://codereview.chromium.org/2176663003/

Reason for Reland:
I've added rebaselines to TestExpectations, following:
https://www.chromium.org/developers/testing/webkit-layout-tests/testexpectations#TOC-How-to-rebaseline

TBR=flackr@chromium.org,asanka@chromium.org,mpearson@chromium.org
BUG=621772

Review-Url: https://codereview.chromium.org/2177963002
Cr-Commit-Position: refs/heads/master@{#407548}
5 files changed