Fix optimize-baselines to optimize *all* suffixes, not just the first.

The code had a bug where we were early-exiting inside a loop when we
should not have been; as a result, we would optimize only the pixel
baseline, and not the pixel baseline and the text baseline.

R=ojan@chromium.org
BUG=409435

Review URL: https://codereview.chromium.org/528143002

git-svn-id: svn://svn.chromium.org/blink/trunk@181282 bbb929c8-8fbe-4397-9dbb-9b2b20218538