Implement accessing lazily initialized static fields.

BUG=http://dartbug.com/11869
R=ngeoffray@google.com

Review URL: https://codereview.chromium.org//19575004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25115 260f80e4-7a28-3924-810f-c04153c831b5
4 files changed