Revert "Rename mappedBy to map."

This reverts commit 17899.

Review URL: https://codereview.chromium.org//12087103

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@17907 260f80e4-7a28-3924-810f-c04153c831b5
4 files changed
tree: 1a4daa395fc4bf1fa46b75de52467cd107648680
  1. pkgs/