Create GrCommandBuilder

Create GrCommandBuilder

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/e46760e8b2b2fc4a11a43a3b7cc9da7166c83c46

[joshualitt, 2015-05-04 18:26:30]

joshualitt@google.com changed reviewers:
+ bsalomon@google.com, joshualitt@google.com, robertphillips@google.com

[joshualitt, 2015-05-04 18:26:31]

Mostly just moving code around to create GrCommandBuilder.  ptal

[bsalomon, 2015-05-05 15:07:48]

lgtm but is there any way we can layer these classes better so we need less
friendship? Also, seems like GrTargetCommands shouldn't know about GrIODB.

https://codereview.chromium.org/1113313003/diff/20001/src/gpu/GrInOrderDrawBu...
File src/gpu/GrInOrderDrawBuffer.h (right):

https://codereview.chromium.org/1113313003/diff/20001/src/gpu/GrInOrderDrawBu...
src/gpu/GrInOrderDrawBuffer.h:74: friend class GrCommandBuilder;
:'-(

https://codereview.chromium.org/1113313003/diff/20001/src/gpu/GrTargetCommands.h
File src/gpu/GrTargetCommands.h (right):

https://codereview.chromium.org/1113313003/diff/20001/src/gpu/GrTargetCommand...
src/gpu/GrTargetCommands.h:106: friend class GrCommandBuilder;
:'-(

[joshualitt, 2015-05-05 15:29:42]

The CQ bit was checked by joshualitt@google.com

[joshualitt, 2015-05-05 15:29:42]

The patchset sent to the CQ was uploaded after l-g-t-m from bsalomon@google.com
Link to the patchset: https://codereview.chromium.org/1113313003/#ps40001
(title: "cleanup")

[commit-bot: I haz the power, 2015-05-05 15:29:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1113313003/40001

[commit-bot: I haz the power, 2015-05-05 15:41:56]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/e46760e8b2b2fc4a11a43a3b7cc9da7166c83c46