Mac rebaselines for fast/repaint/text-emphasis-h.html.
Mac rebaselines for fast/repaint/text-emphasis-h.html.

r186631 says it rebaselined these manually, but either the rebaselines
are wrong or the tests are failing.

BUG=418091
TBR=eae@chromium.org

Review URL: https://codereview.chromium.org/789493002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@186677 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs