Mac no longer fire bogus events. Fix Mac watcher.

BUG=
R=nweiz@google.com

Review URL: https://codereview.chromium.org//319433003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@37162 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed
tree: 03410ed593dcf60e2bb7b899eddddc2db4f88d51
  1. pkgs/