Add a bunch of debugging prints to the Mac OS watcher.

This should help debug the intermittent, difficult-to-reproduce issues
on the vm-mac-release bot.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//68293005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@30181 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 0d19d7ba8f45ef7bd17459397b1a96c70640eb4b
  1. example/
  2. lib/
  3. test/
  4. pubspec.yaml
  5. README.md
README.md

A file watcher. It monitors (currently by polling) for changes to contents of directories and notifies you when files have been added, removed, or modified.