Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is 0

Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is 0

TBR=robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288373002

Committed: https://skia.googlesource.com/skia/+/db27fc5ed75c7cf69cf3a0c38b0770d73a6e1508

[bsalomon, 2016-08-29 19:12:41]

Description was changed from

==========
Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is
0

TBR=robertphillips@google.com
==========

to

==========
Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is
0

TBR=robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288373002
==========

[bsalomon, 2016-08-29 19:12:46]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-08-29 19:12:50]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[msarett, 2016-08-29 19:14:35]

msarett@google.com changed reviewers:
+ msarett@google.com

[msarett, 2016-08-29 19:14:35]

lgtm

[robertphillips, 2016-08-29 19:25:44]

lgtm

[commit-bot: I haz the power, 2016-08-29 19:44:06]

Description was changed from

==========
Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is
0

TBR=robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288373002
==========

to

==========
Skip batch iteration in GrDrawTarget::forwardCombine when the max look ahead is
0

TBR=robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288373002

Committed:
https://skia.googlesource.com/skia/+/db27fc5ed75c7cf69cf3a0c38b0770d73a6e1508
==========

[commit-bot: I haz the power, 2016-08-29 19:44:07]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/db27fc5ed75c7cf69cf3a0c38b0770d73a6e1508