Add YamlMap.addAll.

BUG=13356
R=jmesserly@google.com

Review URL: https://codereview.chromium.org//24175008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@27725 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: dea27211149cf1e1cb9b1e9157fd2837fc8d55bf
  1. pkgs/