Refactor sample to share boiler plate code.

Refactor sample to share boiler plate code. TODO: move to common calls from SkPM4f.

This preparation to finish handling the rest of the SkColorTypes.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1970813002

Committed: https://skia.googlesource.com/skia/+/dd964893908c1f91b3ca928a157fef99effd6f49

[herb_g, 2016-05-11 15:44:04]

Description was changed from

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

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

to

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

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

[herb_g, 2016-05-11 15:45:17]

Description was changed from

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

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

to

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

This preparation to finish handling the rest of the SkColorTypes.

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

[herb_g, 2016-05-11 15:45:17]

herb@google.com changed reviewers:
+ fmalita@chromium.org

[herb_g, 2016-05-11 16:17:14]

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

[commit-bot: I haz the power, 2016-05-11 16:17:26]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1970813002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1970813002/1

[commit-bot: I haz the power, 2016-05-11 16:40:55]

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

[commit-bot: I haz the power, 2016-05-11 16:40:56]

Dry run: This issue passed the CQ dry run.

[f(malita), 2016-05-11 16:58:35]

lgtm

[herb_g, 2016-05-11 17:38:56]

The CQ bit was checked by herb@google.com

[commit-bot: I haz the power, 2016-05-11 17:39:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1970813002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1970813002/1

[commit-bot: I haz the power, 2016-05-11 17:39:57]

Description was changed from

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

This preparation to finish handling the rest of the SkColorTypes.

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

to

==========
Refactor sample to share boiler plate code. TODO: move to common calls from
SkPM4f.

This preparation to finish handling the rest of the SkColorTypes.

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/+/dd964893908c1f91b3ca928a157fef99effd6f49
==========

[commit-bot: I haz the power, 2016-05-11 17:39:58]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/dd964893908c1f91b3ca928a157fef99effd6f49