Remove GrRedBlackTree

Remove GrRedBlackTree

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/5ca41c1647d241633ee7880c27d10e8d61d77d98

[joshualitt, 2015-07-10 21:06:17]

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

[joshualitt, 2015-07-10 21:07:25]

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

[joshualitt, 2015-07-10 21:07:40]

ptal

[bsalomon, 2015-07-14 13:44:57]

On 2015/07/10 21:07:40, joshualitt wrote:
> ptal

lgtm

[joshualitt, 2015-07-14 13:46:10]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2015-07-14 13:46:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1226203013/1

[commit-bot: I haz the power, 2015-07-14 13:49:22]

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

[commit-bot: I haz the power, 2015-07-14 13:49:23]

Try jobs failed on following builders:
  Build-Win-MSVC-x86-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Win-MSVC-x86-D...)
  Build-Win-MSVC-x86_64-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Win-MSVC-x86_6...)

[joshualitt, 2015-07-14 13:56:09]

The CQ bit was checked by joshualitt@google.com

[joshualitt, 2015-07-14 13:56:09]

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/1226203013/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2015-07-14 13:56:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1226203013/20001

[commit-bot: I haz the power, 2015-07-14 18:07:56]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/5ca41c1647d241633ee7880c27d10e8d61d77d98