Disable -Werror in the untrusted-code Gyp build for ARM/PNaCl
Disable -Werror in the untrusted-code Gyp build for ARM/PNaCl

This partially undoes r9816, which failed on ARM when rolled into Chromium.

BUG=http://code.google.com/p/chromium/issues/detail?id=148648
TEST=none

Review URL: https://codereview.chromium.org/10987010

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9832 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client