TSAN caught us racing in ScalarBench.cpp

TSAN caught us racing in ScalarBench.cpp

http://108.170.220.102:10117/builders/Test-Ubuntu13-ShuttleA-HD2000-x86_64-Debug-TSAN/builds/914/steps/RunDM/logs/stdio

BUG=skia:

Committed: http://code.google.com/p/skia/source/detail?r=14992

Committed: https://skia.googlesource.com/skia/+/80f709a0d7f2f1d0d35a292c0c3189d3a50b4993

[mtklein, 2014-05-30 14:50:11]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-05-30 14:50:34]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/305033002/1

[commit-bot: I haz the power, 2014-05-30 14:50:35]

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

[commit-bot: I haz the power, 2014-05-30 14:50:35]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[mtklein, 2014-05-30 14:51:22]

lgtm

[reed1, 2014-05-30 14:53:37]

lgtm

[commit-bot: I haz the power, 2014-05-30 14:57:00]

Change committed as 14992

[mtklein, 2014-05-30 15:09:22]

A revert of this CL has been created in
https://codereview.chromium.org/308883003/ by mtklein@google.com.

The reason for reverting is: windows doesn't like it.

[mtklein, 2014-06-02 19:35:18]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-06-02 19:36:00]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/305033002/20001

[commit-bot: I haz the power, 2014-06-02 19:41:11]

Change committed as 80f709a0d7f2f1d0d35a292c0c3189d3a50b4993