tree a76284a11b27bf44b06a5a09308bb6ed5882f667
parent eee1037c2e52d11677484d871f4433025148db4f
author lrn@google.com <lrn@google.com> 1384863084 +0000
committer lrn@google.com <lrn@google.com> 1384863084 +0000

Combine unmodifiable_collection package into collection_helpers.

Avoids some duplicated code, and makes everything much simpler.

R=floitsch@google.com

Review URL: https://codereview.chromium.org//70073003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@30402 260f80e4-7a28-3924-810f-c04153c831b5