Make old generation allocation throughput stats independent from the new space allocation throughpu…

Make old generation allocation throughput stats independent from the new space allocation throughput.

BUG=

Committed: https://crrev.com/7e53749df0a10f475404e86ef0ca8df02bb79e7a
Cr-Commit-Position: refs/heads/master@{#28880}

[ulan, 2015-06-08 10:36:05]

ulan@chromium.org changed reviewers:
+ hpayer@chromium.org

[ulan, 2015-06-08 10:36:05]

Small refactoring to allow getting old generation allocation throughput without
new space allocation throughput.

[Hannes Payer (out of office), 2015-06-08 21:38:11]

lgtm

[ulan, 2015-06-09 15:21:11]

The CQ bit was checked by ulan@chromium.org

[ulan, 2015-06-09 15:21:11]

The patchset sent to the CQ was uploaded after l-g-t-m from hpayer@chromium.org
Link to the patchset: https://codereview.chromium.org/1167563005/#ps60001
(title: "cast")

[commit-bot: I haz the power, 2015-06-09 15:21:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1167563005/60001

[commit-bot: I haz the power, 2015-06-09 15:49:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-09 15:49:47]

Try jobs failed on following builders:
  v8_win64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win64_rel/builds/5507)

[ulan, 2015-06-09 16:03:36]

The CQ bit was checked by ulan@chromium.org

[ulan, 2015-06-09 16:03:36]

The patchset sent to the CQ was uploaded after l-g-t-m from hpayer@chromium.org
Link to the patchset: https://codereview.chromium.org/1167563005/#ps80001
(title: "cast")

[commit-bot: I haz the power, 2015-06-09 16:04:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1167563005/80001

[commit-bot: I haz the power, 2015-06-09 16:18:21]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-09 16:18:22]

Try jobs failed on following builders:
  v8_win64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win64_rel/builds/5512)

[ulan, 2015-06-09 16:42:40]

The CQ bit was checked by ulan@chromium.org

[ulan, 2015-06-09 16:42:41]

The patchset sent to the CQ was uploaded after l-g-t-m from hpayer@chromium.org
Link to the patchset: https://codereview.chromium.org/1167563005/#ps100001
(title: "cast")

[commit-bot: I haz the power, 2015-06-09 16:43:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1167563005/100001

[commit-bot: I haz the power, 2015-06-09 17:49:47]

Committed patchset #6 (id:100001)

[commit-bot: I haz the power, 2015-06-09 17:50:07]

Patchset 6 (id:??) landed as
https://crrev.com/7e53749df0a10f475404e86ef0ca8df02bb79e7a
Cr-Commit-Position: refs/heads/master@{#28880}