Version 4.5.103.29 (cherry-pick)

Version 4.5.103.29 (cherry-pick)

Merged 0752abb11453a3f1ea1d4eecf3f9068b6f599e4d
Merged b528d0772bba9bc378c9cc18f624513ccfc7f8e8
Merged 869ab06ea5165ce0dc01396150a110478f8a3e42
Merged 9d7ebcf7f508b987464575b481476ce0a49d98b1
Merged da97af0d016aa69b78551de6b953f0624e8d6792
Merged e296644f953f5af906483abaa0965818c5369dd9

Extract function to compute mutator utilization.

Use conservative estimate for GC speed instead of bailing out when computing mutator utilization.

GC: Refactor incremental marking steps w/ deadline into a separate call

Reland: GC: Refactor public incremental marking interface in heap

Fix idle step marking after 9d7ebc.

Partially revert https://crrev.com/7e53749df0a10f475404e86ef0ca8df02bb79e7a

BUG=chromium:502247, chromium:517468, chromium:502247, chromium:515873, chromium:517468, chromium:520841
LOG=N
R=hpayer@chromium.org, mlippautz@chromium.org, ulan@chromium.org

Committed: https://chromium.googlesource.com/v8/v8/+/64f28773a488e597ef2f70864cfd296e5a3ffa3e

[Michael Hablich, 2015-08-27 13:31:05]

Let's try again :-)

[Hannes Payer (out of office), 2015-08-27 13:34:15]

lgtm (rubber-stamped)

[Michael Lippautz, 2015-08-27 13:44:22]

On 2015/08/27 13:34:15, Hannes Payer (slow OOO soon) wrote:
> lgtm (rubber-stamped)

% build :)

[Michael Hablich, 2015-08-27 14:06:34]

Committed patchset #1 (id:1) manually as
64f28773a488e597ef2f70864cfd296e5a3ffa3e.