Make TransitionArray internal references originate from TA in heap snapshot.

Make TransitionArray internal references originate from TA in heap snapshot.

TransitionArray references were added to the TA's map object instead
of TA itself.

R=verwaest@chromium.org, yurys@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=15692

[alph, 2013-07-15 18:39:15]

Yury, Toon, could you please take a look.

[Toon Verwaest, 2013-07-15 21:15:10]

I definitely support the content of this change; but be aware that
IsTransitionArray just implies IsFixedArray. This may very well bite you. Is
there a better way to achieve the same?

[alph, 2013-07-16 11:31:32]

On 2013/07/15 21:15:10, Toon Verwaest wrote:
> I definitely support the content of this change; but be aware that
> IsTransitionArray just implies IsFixedArray. This may very well bite you. Is
> there a better way to achieve the same?

Toon, thanks for review! PTAL.

[Toon Verwaest, 2013-07-16 11:44:02]

Cool, lgtm.

[yurys, 2013-07-16 12:16:02]

lgtm

[alph, 2013-07-16 12:48:44]

Committed patchset #3 manually as r15692 (presubmit successful).