Stop supporting map literals with 1 type argument

To be checked in next week Tue (Jan 22)

Review URL: https://codereview.chromium.org//12021022

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17410 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 4dfb7d77c176a9e60d5987ea56c9ecd9f91d28ca
  1. lib/
  2. test/
  3. pubspec.yaml