Remove outdated optimization to not flush for new textures in GrSWMaskHelper

Remove outdated optimization to not flush for new textures in GrSWMaskHelper

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1704593002

Committed: https://skia.googlesource.com/skia/+/0042245b63aeea1c1049b65bde6cf3da52906379

[bsalomon, 2016-02-16 18:30:29]

Description was changed from

==========
Remove outdated optimization to not flush for new textures in GrSWMaskHelper

BUG=skia:
==========

to

==========
Remove outdated optimization to not flush for new textures in GrSWMaskHelper

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[bsalomon, 2016-02-16 18:31:23]

bsalomon@google.com changed reviewers:
+ robertphillips@google.com

[bsalomon, 2016-02-16 18:31:23]

We now know if there are pending read/writes to the surface and won't flush if
there are none.

[robertphillips, 2016-02-16 18:58:09]

lgtm

[bsalomon, 2016-02-16 19:01:20]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-02-16 19:02:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1704593002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1704593002/1

[commit-bot: I haz the power, 2016-02-16 19:36:58]

Description was changed from

==========
Remove outdated optimization to not flush for new textures in GrSWMaskHelper

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Remove outdated optimization to not flush for new textures in GrSWMaskHelper

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/0042245b63aeea1c1049b65bde6cf3da52906379
==========

[commit-bot: I haz the power, 2016-02-16 19:36:59]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/0042245b63aeea1c1049b65bde6cf3da52906379