PRESUBMIT: run check-webkit-style.
PRESUBMIT: run check-webkit-style.

Fun fact: The existing PRESUBMIT.py didn't pass the style check,
so fixed it.

BUG=227256
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/14538002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@149714 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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