Add a function to convert a texture backed SkImage to raster.

Add a function to convert a texture backed SkImage to raster.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2147493004

Committed: https://skia.googlesource.com/skia/+/634b43008025d039f3f2f1f6c01e8044ffbb901f

[bsalomon, 2016-07-12 21:24:04]

Description was changed from

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Add a function to convert a texture backed SkImage to raster.
==========

to

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Add a function to convert a texture backed SkImage to raster.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2147493004
==========

[bsalomon, 2016-07-12 21:27:36]

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

[bsalomon, 2016-07-12 21:27:37]

I want to use this here: 

https://cs.chromium.org/chromium/src/media/renderers/skcanvas_video_renderer....

to eliminate the last public use case of texture-backed SkBitmaps in Chromium.

[bsalomon, 2016-07-12 21:31:01]

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

[commit-bot: I haz the power, 2016-07-12 21:31:49]

Dry run: 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, 2016-07-12 21:47:11]

The CQ bit was unchecked by commit-bot@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-12 21:47:12]

Dry run: This issue passed the CQ dry run.

[reed1, 2016-07-12 22:44:53]

lgtm

[bsalomon, 2016-07-13 01:10:16]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-07-13 01:10:23]

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, 2016-07-13 01:11:20]

Description was changed from

==========
Add a function to convert a texture backed SkImage to raster.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2147493004
==========

to

==========
Add a function to convert a texture backed SkImage to raster.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2147493004

Committed:
https://skia.googlesource.com/skia/+/634b43008025d039f3f2f1f6c01e8044ffbb901f
==========

[commit-bot: I haz the power, 2016-07-13 01:11:21]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/634b43008025d039f3f2f1f6c01e8044ffbb901f