Some more removals of dart:utf.

R=jmesserly@google.com, lrn@google.com, nweiz@google.com

Review URL: https://codereview.chromium.org//22909059

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/http@26712 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed
tree: 19620acffff1a7848c582b957c51ab7847bd9a93
  1. lib/
  2. test/
  3. pubspec.yaml