Revert "Roll Clang 233105-2:237739-1"

Revert "Roll Clang 233105-2:237739-1"

This reverts commit 0e80c361a00645fbcdc8503225ccf12ebd1ef597,
which appears to be causing blink test failures.  Example:

https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20%28deps%29/builds/41877

TBR=hans@chromium.org,dpranke@chromium.org
NOTRY=true
NOPRESUBMIT=true
BUG=483026
Committed: https://crrev.com/5b46c5cb02a8671c51f8a519f889e62ba9f41505
Cr-Commit-Position: refs/heads/master@{#330851}

[hans, 2015-05-20 23:40:24]

lgtm

[szager1, 2015-05-20 23:40:25]

The CQ bit was checked by szager@chromium.org

[commit-bot: I haz the power, 2015-05-20 23:41:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1149913003/1

[hans, 2015-05-20 23:47:38]

Added NOPRESUBMIT=true, because of 80+ long lines.

Also added a BUG nbr.

[szager1, 2015-05-20 23:48:29]

The CQ bit was unchecked by szager@chromium.org

[szager1, 2015-05-20 23:48:29]

The CQ bit was checked by szager@chromium.org

[commit-bot: I haz the power, 2015-05-20 23:49:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1149913003/1

[commit-bot: I haz the power, 2015-05-20 23:51:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-20 23:53:34]

Patchset 1 (id:??) landed as
https://crrev.com/5b46c5cb02a8671c51f8a519f889e62ba9f41505
Cr-Commit-Position: refs/heads/master@{#330851}

[Dirk Pranke, 2015-05-21 00:16:35]

lgtm.