Temporarily revert to non-incremental GC in background tabs to see

Temporarily revert to non-incremental GC in background tabs to see
if that is responsible for memory regression in UMA.

Related CLs: crrev.com/1420363004, crrev.com/1423453003

TBR=hpayer@chromium.org
BUG=chromium:552305
LOG=NO

Committed: https://crrev.com/84c961b74373f07ce892172dd7dee6e6ecd23210
Cr-Commit-Position: refs/heads/master@{#31853}

[ulan, 2015-11-06 10:41:48]

Description was changed from

==========
Temporarily revert to non-incremental GC in background tabs to see
if that is responsible for memory regression in UMA.

BUG=chromium:552305
LOG=NO
==========

to

==========
Temporarily revert to non-incremental GC in background tabs to see
if that is responsible for memory regression in UMA.

BUG=chromium:552305
LOG=NO
==========

[ulan, 2015-11-06 10:43:07]

Description was changed from

==========
Temporarily revert to non-incremental GC in background tabs to see
if that is responsible for memory regression in UMA.

BUG=chromium:552305
LOG=NO
==========

to

==========
Temporarily revert to non-incremental GC in background tabs to see
if that is responsible for memory regression in UMA.

Related CLs: crrev.com/1420363004, crrev.com/1423453003

TBR=hpayer@chromium.org
BUG=chromium:552305
LOG=NO
==========

[ulan, 2015-11-06 10:43:07]

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

[ulan, 2015-11-06 10:43:26]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2015-11-06 10:43:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1420283021/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1420283021/1

[commit-bot: I haz the power, 2015-11-06 11:01:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-06 11:01:34]

Patchset 1 (id:??) landed as
https://crrev.com/84c961b74373f07ce892172dd7dee6e6ecd23210
Cr-Commit-Position: refs/heads/master@{#31853}