Add regression test. Fix #176.
Add regression test. Fix #176.

R=pquitslund@google.com

Review URL: https://chromiumcodereview.appspot.com//944923003

mark-henry/dart_style,mark-henry/dart_style,christofferqa/dart_style,christofferqa/dart_style,alechenninger/dart_style,dart-lang/dart_style,alechenninger/dart_style