tree 5ea27c1588867625f348be5cd5234b461151c0d6
parent e1690ac512c7d2c0db314555c52e021f49f9e804
author lrn@google.com <lrn@google.com> 1398146013 +0000
committer lrn@google.com <lrn@google.com> 1398146013 +0000

Remove unmodifiable map wrappers that could instead use UnmodifiableMapView.

R=sgjesse@google.com

Review URL: https://codereview.chromium.org//214723002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@35244 260f80e4-7a28-3924-810f-c04153c831b5