[heap] Thread through GC flags in memory reducer and incremental marking.

[heap] Thread through GC flags in memory reducer and incremental marking.

BUG=chromium:520607
LOG=N

Committed: https://crrev.com/7a21a70c4ea61251b9875991b8b4fd4f4eddef34
Cr-Commit-Position: refs/heads/master@{#30287}

[Michael Lippautz, 2015-08-21 08:20:50]

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

[Hannes Payer (out of office), 2015-08-21 08:46:48]

lgtm, with one comment

https://codereview.chromium.org/1302273002/diff/20001/src/heap/heap.cc
File src/heap/heap.cc (right):

https://codereview.chromium.org/1302273002/diff/20001/src/heap/heap.cc#newcod...
src/heap/heap.cc:743: CollectAllGarbage(Heap::kNoGCFlags, "GC interrupt",
Pass current flags.

[Michael Lippautz, 2015-08-21 08:50:46]

The CQ bit was checked by mlippautz@chromium.org

[Michael Lippautz, 2015-08-21 08:50:46]

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/1302273002/#ps40001
(title: "Addressed comment")

[commit-bot: I haz the power, 2015-08-21 08:50:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1302273002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1302273002/40001

[commit-bot: I haz the power, 2015-08-21 08:59:15]

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

[commit-bot: I haz the power, 2015-08-21 08:59:16]

Try jobs failed on following builders:
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/8904)

[Michael Lippautz, 2015-08-21 09:40:14]

The CQ bit was checked by mlippautz@chromium.org

[Michael Lippautz, 2015-08-21 09:40:14]

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/1302273002/#ps60001
(title: "Fix scavenger call in test")

[commit-bot: I haz the power, 2015-08-21 09:40:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1302273002/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1302273002/60001

[commit-bot: I haz the power, 2015-08-21 10:05:23]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-08-21 10:05:43]

Patchset 4 (id:??) landed as
https://crrev.com/7a21a70c4ea61251b9875991b8b4fd4f4eddef34
Cr-Commit-Position: refs/heads/master@{#30287}