Revert "Turn on -Werror on linux. Passes on my ghardy box. We'll see"

This reverts commit r14387.

Not sure why it fails on the bots.  Will fix and try again.

TBR=evan

Review URL: http://codereview.chromium.org/93103


git-svn-id: http://src.chromium.org/svn/trunk/src/build@14395 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -183,7 +183,8 @@
           '-msse2',
           '-mfpmath=sse',
           '-Wall',
-          '-Werror',
+          # TODO(sgk): when chromium_code targets are clean of warnings.
+          #'-Werror',
         ],
         'ldflags': [
           '-m32',