[compiler] Move generator optimization heuristics.

[compiler] Move generator optimization heuristics.

This moves the decision whether to optimize generator or async functions
into the AstNumberingVisitor. Optimization heuristics that are based on
the function source should be encapsulated in this class.

R=neis@chromium.org

Committed: https://crrev.com/471f6baf9540656bd078ca7f6cb4cf671a528943
Cr-Commit-Position: refs/heads/master@{#36924}

[neis, 2016-06-13 11:07:02]

lgtm

[Michael Starzinger, 2016-06-13 11:08:30]

The CQ bit was checked by mstarzinger@chromium.org

[commit-bot: I haz the power, 2016-06-13 11:08:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2065543002/1

[commit-bot: I haz the power, 2016-06-13 11:42:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-13 11:42:27]

CQ bit was unchecked

[commit-bot: I haz the power, 2016-06-13 11:43:37]

Description was changed from

==========
[compiler] Move generator optimization heuristics.

This moves the decision whether to optimize generator or async functions
into the AstNumberingVisitor. Optimization heuristics that are based on
the function source should be encapsulated in this class.

R=neis@chromium.org
==========

to

==========
[compiler] Move generator optimization heuristics.

This moves the decision whether to optimize generator or async functions
into the AstNumberingVisitor. Optimization heuristics that are based on
the function source should be encapsulated in this class.

R=neis@chromium.org

Committed: https://crrev.com/471f6baf9540656bd078ca7f6cb4cf671a528943
Cr-Commit-Position: refs/heads/master@{#36924}
==========

[commit-bot: I haz the power, 2016-06-13 11:43:38]

Patchset 1 (id:??) landed as
https://crrev.com/471f6baf9540656bd078ca7f6cb4cf671a528943
Cr-Commit-Position: refs/heads/master@{#36924}