Fix typos due to TeXShop quote (mis)processing

R=eernst@google.com

Review URL: https://codereview.chromium.org//639953003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41078 260f80e4-7a28-3924-810f-c04153c831b5
I was looking at the typo in 19178, and then the TODO in hexToInt. int.parse gained its radix parameter in https://code.google.com/p/dart/issues/detail?id=2624 around Dart SDK v1.1, so I bumped it in the pubspec.

Rewrite csslib's hexToInt

BUG= https://code.google.com/p/dart/issues/detail?id=19178
R=terry@google.com

Review URL: https://codereview.chromium.org//651823002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41079 260f80e4-7a28-3924-810f-c04153c831b5