Update dart:collection to version 1.0.0

R=sgjesse@google.com

Review URL: https://codereview.chromium.org//463333004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@39484 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 35ddb754ee61fbebfc912f956b1925fc9610c709
  1. pkgs/