[heap] Do not require kRingBufferMaxSize samples for estimating compaction speed

[heap] Do not require kRingBufferMaxSize samples for estimating compaction speed

There is no need to require kRingbufferMaxSize samples for estimating the
compaction speed, as the number is already quite stable with a single sample
(which may include timings from compacting multiple pages).

R=hpayer@chromium.org
BUG=chromium:524425
LOG=N

Committed: https://crrev.com/c0d310bdf8b4a17c7dd08c69f83ddae3b9a3151a
Cr-Commit-Position: refs/heads/master@{#31993}

[Hannes Payer (out of office), 2015-11-13 20:06:40]

lgtm

[Michael Lippautz, 2015-11-13 20:07:00]

Description was changed from

==========
[heap] Do not require kRingBufferMaxSize samples for estimating compaction speed

There is no need to require kRingbufferMaxSize samples foer estimating the
compaction speed, as the number is already quite stable with a single sample
(which may include timings from compacting multiple pages).

R=hpayer@chromium.org
BUG=chromium:524425
LOG=N
==========

to

==========
[heap] Do not require kRingBufferMaxSize samples for estimating compaction speed

There is no need to require kRingbufferMaxSize samples for estimating the
compaction speed, as the number is already quite stable with a single sample
(which may include timings from compacting multiple pages).

R=hpayer@chromium.org
BUG=chromium:524425
LOG=N
==========

[Michael Lippautz, 2015-11-13 20:07:11]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2015-11-13 20:07:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1440423002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1440423002/1

[commit-bot: I haz the power, 2015-11-13 20:25:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-14 23:21:56]

Patchset 1 (id:??) landed as
https://crrev.com/c0d310bdf8b4a17c7dd08c69f83ddae3b9a3151a
Cr-Commit-Position: refs/heads/master@{#31993}