Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

Checked manually in Instruments that we're still running our SSE filters for both RGB and RGBA PNGs.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1865633002

Committed: https://skia.googlesource.com/skia/+/77304a5b76858acf9f1bbdabd1b2014c40b399ec

[mtklein_C, 2016-04-05 20:18:30]

Description was changed from

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

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

to

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

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

[mtklein, 2016-04-05 20:27:59]

Description was changed from

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

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

to

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

Checked manually in Instruments that we're still running our SSE filters for
both RGB and RGBA PNGs.

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

[mtklein_C, 2016-04-05 20:28:25]

mtklein@chromium.org changed reviewers:
+ msarett@google.com

[mtklein_C, 2016-04-05 20:28:25]

The CQ bit was checked by mtklein@chromium.org

[commit-bot: I haz the power, 2016-04-05 20:28:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1865633002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1865633002/1

[commit-bot: I haz the power, 2016-04-05 20:28:42]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2016-04-06 02:28 UTC

[msarett, 2016-04-05 20:29:31]

lgtm

Well I guess that wasn't so hard :)

[commit-bot: I haz the power, 2016-04-05 20:46:06]

Description was changed from

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

Checked manually in Instruments that we're still running our SSE filters for
both RGB and RGBA PNGs.

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

to

==========
Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.

Checked manually in Instruments that we're still running our SSE filters for
both RGB and RGBA PNGs.

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/+/77304a5b76858acf9f1bbdabd1b2014c40b399ec
==========

[commit-bot: I haz the power, 2016-04-05 20:46:07]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/77304a5b76858acf9f1bbdabd1b2014c40b399ec