Merge old data and pointer space.

Merge old data and pointer space.

BUG=

Committed: https://crrev.com/257ff4893114854519530957c2eeb97c15cd359f
Cr-Commit-Position: refs/heads/master@{#27259}

[Hannes Payer (out of office), 2015-03-17 15:46:51]

hpayer@chromium.org changed reviewers:
+ erikcorry@chromium.org, ishell@chromium.org, ulan@chromium.org

[Hannes Payer (out of office), 2015-03-17 15:46:52]

PTAL

[Hannes Payer (out of office), 2015-03-17 15:47:07]

try jobs are in patch set 4

[Jakob Kummerow, 2015-03-17 22:10:29]

DBC: Please run "make grokdump" to update tools/v8heapconst.py. Does grokdump
itself need to be taught about this change, or is the effect backwards
compatible?

[ulan, 2015-03-18 07:27:27]

LGTM

https://codereview.chromium.org/1012023002/diff/80001/src/counters.h
File src/counters.h (right):

https://codereview.chromium.org/1012023002/diff/80001/src/counters.h#newcode401
src/counters.h:401: HP(external_fragmentation_total,
V8.MemoryExternalFragmentationTotal)        \
This will require change in chromium histograms.xml and telemetry.

[Hannes Payer (out of office), 2015-03-18 07:33:49]

https://codereview.chromium.org/1012023002/diff/100001/src/heap/heap.h
File src/heap/heap.h (right):

https://codereview.chromium.org/1012023002/diff/100001/src/heap/heap.h#newcod...
src/heap/heap.h:1762: static AllocationSpace SelectSpace(int object_size,
I think we can get rid of SelectSpace and integrate that logic into AllocateRaw.
I will do that in a follow up cl.

[Hannes Payer (out of office), 2015-03-18 08:43:47]

Thanks Jakob. I updated grokdump.

[Jakob Kummerow, 2015-03-18 09:11:49]

jkummerow@chromium.org changed reviewers:
+ jkummerow@chromium.org

[Jakob Kummerow, 2015-03-18 09:11:50]

Changes in tools/ LGTM. (I didn't look too closely; we'll find out soon enough
whether everything works as expected.)

[Hannes Payer (out of office), 2015-03-18 09:36:44]

The CQ bit was checked by hpayer@chromium.org

[Hannes Payer (out of office), 2015-03-18 09:36:44]

The patchset sent to the CQ was uploaded after l-g-t-m from ulan@chromium.org
Link to the patchset: https://codereview.chromium.org/1012023002/#ps160001
(title: " ")

[commit-bot: I haz the power, 2015-03-18 09:36:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1012023002/160001

[commit-bot: I haz the power, 2015-03-18 09:38:54]

Committed patchset #9 (id:160001)

[commit-bot: I haz the power, 2015-03-18 09:39:11]

Patchset 9 (id:??) landed as
https://crrev.com/257ff4893114854519530957c2eeb97c15cd359f
Cr-Commit-Position: refs/heads/master@{#27259}