Sharing of sources for corelib date implementation between VM and

Sharing of sources for corelib date implementation between VM and
dart2js.

R=iposva@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=10794

[Mads Ager (google), 2012-08-15 09:47:28]

This depends on landing something like:
https://chromiumcodereview.appspot.com/10831323/ to make tests that use
--compile_all pass.

https://chromiumcodereview.appspot.com/10836237/diff/2001/runtime/lib/date_pa...
File runtime/lib/date_patch.dart (right):

https://chromiumcodereview.appspot.com/10836237/diff/2001/runtime/lib/date_pa...
runtime/lib/date_patch.dart:228: static int _weekDay(y) {
Ivan fixed support for closures in patches. I will put this back where it came
from before committing.

[Mads Ager (google), 2012-08-15 09:47:58]

Adding Lasse as well.

[Anders Johnsen, 2012-08-15 10:15:12]

LGTM, very nice. I like you didn't do any further cleanup - we can do that later
on if needed.