Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

incrementalDecode is supposed to report the number of rows decoded. It
failed to if none were decoded (for an interlaced png). Fix the bug and
add a test.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2402063002

Committed: https://skia.googlesource.com/skia/+/e61b3b4018a3e139e9ae19d2c47dc59deeaedd16

[scroggo_chromium, 2016-10-07 20:57:41]

Description was changed from

==========
Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

incrementalDecode is supposed to report the number of rows decoded. It
failed to if none were decoded (for an interlaced png). Fix the bug and
add a test.
==========

to

==========
Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

incrementalDecode is supposed to report the number of rows decoded. It
failed to if none were decoded (for an interlaced png). Fix the bug and
add a test.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2402063002
==========

[scroggo_chromium, 2016-10-07 20:58:00]

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

[msarett, 2016-10-10 00:33:20]

lgtm

[scroggo_chromium, 2016-10-10 13:59:12]

The CQ bit was checked by scroggo@chromium.org

[scroggo_chromium, 2016-10-10 13:59:12]

The patchset sent to the CQ was uploaded after l-g-t-m from msarett@google.com
Link to the patchset: https://codereview.chromium.org/2402063002/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2016-10-10 13:59:19]

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

[commit-bot: I haz the power, 2016-10-10 14:17:34]

Description was changed from

==========
Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

incrementalDecode is supposed to report the number of rows decoded. It
failed to if none were decoded (for an interlaced png). Fix the bug and
add a test.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2402063002
==========

to

==========
Report 0 rowsDecoded for no rows (SkPngCodec interlaced)

incrementalDecode is supposed to report the number of rows decoded. It
failed to if none were decoded (for an interlaced png). Fix the bug and
add a test.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2402063002

Committed:
https://skia.googlesource.com/skia/+/e61b3b4018a3e139e9ae19d2c47dc59deeaedd16
==========

[commit-bot: I haz the power, 2016-10-10 14:17:35]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/e61b3b4018a3e139e9ae19d2c47dc59deeaedd16