Make SkBlitter hierarchy explicit about what needs to be implemented.

Make SkBlitter hierarchy explicit about what needs to be implemented.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2053823002

Committed: https://skia.googlesource.com/skia/+/7df9e4a87d84415391c167ea54cd389d4b423c2d

[herb_g, 2016-06-09 20:26:03]

Description was changed from

==========
Make SkBlitter hierarchy explicit about what needs to be implemented.

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

to

==========
Make SkBlitter hierarchy explicit about what needs to be implemented.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2053823002
==========

[herb_g, 2016-06-09 20:26:22]

The CQ bit was checked by herb@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-06-09 20:26:33]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2053823002/1

[commit-bot: I haz the power, 2016-06-09 20:47:31]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-06-09 20:47:32]

Dry run: This issue passed the CQ dry run.

[herb_g, 2016-06-10 15:54:49]

This is the first part of understanding SkBlitters. The runs documentation will
follow in the next CL.

[reed1, 2016-06-10 19:46:53]

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

[reed1, 2016-06-10 19:46:54]

lgtm

[herb_g, 2016-06-10 20:00:27]

The CQ bit was checked by herb@google.com

[commit-bot: I haz the power, 2016-06-10 20:00:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2053823002/1

[commit-bot: I haz the power, 2016-06-10 20:01:29]

Description was changed from

==========
Make SkBlitter hierarchy explicit about what needs to be implemented.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2053823002
==========

to

==========
Make SkBlitter hierarchy explicit about what needs to be implemented.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2053823002

Committed:
https://skia.googlesource.com/skia/+/7df9e4a87d84415391c167ea54cd389d4b423c2d
==========

[commit-bot: I haz the power, 2016-06-10 20:01:30]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/7df9e4a87d84415391c167ea54cd389d4b423c2d