Revert of Silence -Wclobbered in each file that needs it.

Revert of Silence -Wclobbered in each file that needs it. (patchset #2 id:20001 of https://codereview.chromium.org/2184823009/ )

Reason for revert:
Jpeg strategy seems to be leading to crashes.  Gonna go back to warning squelch.

Original issue's description:
> Silence -Wclobbered in each file that needs it.
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184823009
> 
> Committed: https://skia.googlesource.com/skia/+/03f704a343d7a82974f977eda8789a8c721c93e5

TBR=msarett@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/2f428966c680d6d9e38d6ff1d16fe1999412d2fd

[mtklein, 2016-07-28 20:59:54]

The CQ bit was checked by mtklein@google.com

[mtklein, 2016-07-28 20:59:54]

Created Revert of Silence -Wclobbered in each file that needs it.

[commit-bot: I haz the power, 2016-07-28 20:59:56]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-28 21:00:01]

Description was changed from

==========
Revert of Silence -Wclobbered in each file that needs it. (patchset #2 id:20001
of https://codereview.chromium.org/2184823009/ )

Reason for revert:
Jpeg strategy seems to be leading to crashes.  Gonna go back to warning squelch.

Original issue's description:
> Silence -Wclobbered in each file that needs it.
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184823009
> 
> Committed:
https://skia.googlesource.com/skia/+/03f704a343d7a82974f977eda8789a8c721c93e5

TBR=msarett@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Silence -Wclobbered in each file that needs it. (patchset #2 id:20001
of https://codereview.chromium.org/2184823009/ )

Reason for revert:
Jpeg strategy seems to be leading to crashes.  Gonna go back to warning squelch.

Original issue's description:
> Silence -Wclobbered in each file that needs it.
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184823009
> 
> Committed:
https://skia.googlesource.com/skia/+/03f704a343d7a82974f977eda8789a8c721c93e5

TBR=msarett@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/2f428966c680d6d9e38d6ff1d16fe1999412d2fd
==========

[commit-bot: I haz the power, 2016-07-28 21:00:02]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/2f428966c680d6d9e38d6ff1d16fe1999412d2fd