Update the Mac OS watcher in pkg/watcher.

The behavior of Directory.watch has changed, and this updates the
watcher to match the new behavior.

R=rnystrom@google.com
BUG=

Review URL: https://codereview.chromium.org//100823005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@30915 260f80e4-7a28-3924-810f-c04153c831b5
4 files changed
tree: ecfac291345461ff86c5751d6fb8b67cd0b0b9c6
  1. pkgs/