First step to resolving simple API changes.

Limitations:

1. Errors are not updated.

2. Classes are not resolved when it might be required.

3. Just method invocations, and just static elements.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org//770333003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42153 260f80e4-7a28-3924-810f-c04153c831b5
Fix for issue 3001

R=scheglov@google.com

Review URL: https://codereview.chromium.org//780403002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42154 260f80e4-7a28-3924-810f-c04153c831b5
Partial fix for issue 1934

R=scheglov@google.com

Review URL: https://codereview.chromium.org//765923003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42155 260f80e4-7a28-3924-810f-c04153c831b5