tree 59ecea003800e00f53a034daa844168901d18341
parent 4f0467a26622fb595e316a71f5ee5b9789506955
author lrn@google.com <lrn@google.com> 1398147684 +0000
committer lrn@google.com <lrn@google.com> 1398147684 +0000

Revert "Remove unmodifiable map wrappers that could instead use UnmodifiableMapView."

Some tests fail.

Review URL: https://codereview.chromium.org//246833003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@35245 260f80e4-7a28-3924-810f-c04153c831b5