Remove SkThread::setProcessorAffinity()

Remove SkThread::setProcessorAffinity()

It's only used by a couple unit tests.  We have other ways of getting
the same quality testing of our ref-count code now (e.g. TSAN).

BUG=skia:
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot

Committed: https://skia.googlesource.com/skia/+/a1bde7d2e152188f8d5a2d0f759030ed032a2522

[mtklein_C, 2015-10-20 16:42:20]

The CQ bit was checked by mtklein@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-20 16:42:29]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1408213005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1408213005/1

[commit-bot: I haz the power, 2015-10-20 16:43:22]

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

[commit-bot: I haz the power, 2015-10-20 16:43:23]

Dry run: Try jobs failed on following builders:
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot on client.skia (JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Shared-Trybot on client.skia
(JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)
  Build-Ubuntu-GCC-Mips-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Mip...)

[mtklein_C, 2015-10-20 16:43:39]

The CQ bit was checked by mtklein@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-20 16:43:47]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1408213005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1408213005/20001

[mtklein_C, 2015-10-20 16:45:56]

mtklein@chromium.org changed reviewers:
+ bungeman@google.com

[commit-bot: I haz the power, 2015-10-20 16:53:39]

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

[commit-bot: I haz the power, 2015-10-20 16:53:40]

Dry run: This issue passed the CQ dry run.

[bungeman-skia, 2015-10-20 18:03:17]

tsan and valgrind for the win! lgtm

[bungeman-skia, 2015-10-20 18:03:28]

Description was changed from

==========
remove SkThread::setProcessorAffinity()

It's only used by a couple unit tests.  We have other ways of getting
the same quality testing of our ref-count code now (e.g. TSAN).

BUG=skia:
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot
==========

to

==========
Remove SkThread::setProcessorAffinity()

It's only used by a couple unit tests.  We have other ways of getting
the same quality testing of our ref-count code now (e.g. TSAN).

BUG=skia:
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot
==========

[mtklein, 2015-10-20 18:04:21]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2015-10-20 18:04:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1408213005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1408213005/20001

[commit-bot: I haz the power, 2015-10-20 18:05:09]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/a1bde7d2e152188f8d5a2d0f759030ed032a2522