dart2js: Remove dead code.

R=karlklose@google.com

Review URL: https://codereview.chromium.org//749283003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42020 260f80e4-7a28-3924-810f-c04153c831b5
dart2js: fix caching compiler. (field is not there anymore).

Review URL: https://codereview.chromium.org//758083004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42021 260f80e4-7a28-3924-810f-c04153c831b5
Add support for (unintercepted) method calls to the cps js emitter.

R=floitsch@google.com

Review URL: https://codereview.chromium.org//768553002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42022 260f80e4-7a28-3924-810f-c04153c831b5