1.9.0-dev.4.0
Version 1.9.0-dev.4.0

svn merge -r 42675:42855 https://dart.googlecode.com/svn/branches/bleeding_edge trunk

git-svn-id: http://dart.googlecode.com/svn/trunk@42856 260f80e4-7a28-3924-810f-c04153c831b5