Big merge from experimental to bleeding edge.

Review URL: https://codereview.chromium.org//11783009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16687 260f80e4-7a28-3924-810f-c04153c831b5
10 files changed
tree: 4adb8cd2b08df7a1e1de48014f5ff871ee56f8d4
  1. lib/
  2. test/
  3. pubspec.yaml