[turbofan] Move PropertyAccessInfo and friends to a separate file.

[turbofan] Move PropertyAccessInfo and friends to a separate file.

Also changed the way that transitioning stores are represented in
a PropertyAccessInfo: There's no dedicated kind, but DataFields
have an optional transition map.

R=jarin@chromium.org
BUG=v8:4470
LOG=n

Committed: https://crrev.com/06eb555fa31c369a100414a30d6db0c7fa084989
Cr-Commit-Position: refs/heads/master@{#31692}

[Benedikt Meurer, 2015-10-30 13:00:17]

Hey Jaro,

As requested, PropertyAccessInfo and the factory methods are now in a separate
file.
Please take a look.

Thanks,
Benedikt

[Benedikt Meurer, 2015-10-30 13:00:55]

Description was changed from

==========
[turbofan] Move PropertyAccessInfo and friends to a separate file.

R=jarin@chromium.org
BUG=v8:4470
LOG=n
==========

to

==========
[turbofan] Move PropertyAccessInfo and friends to a separate file.

Also changed the way that transitioning stores are represented in
a PropertyAccessInfo: There's no dedicated kind, but DataFields
have an optional transition map.

R=jarin@chromium.org
BUG=v8:4470
LOG=n
==========

[Jarin, 2015-10-30 13:02:20]

lgtm

[Benedikt Meurer, 2015-10-30 13:02:32]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-10-30 13:02:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1416973014/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1416973014/20001

[commit-bot: I haz the power, 2015-10-30 14:24:51]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-30 14:25:33]

Patchset 2 (id:??) landed as
https://crrev.com/06eb555fa31c369a100414a30d6db0c7fa084989
Cr-Commit-Position: refs/heads/master@{#31692}