Adding fallback in case CC_OTHER is not set.
Adding fallback in case CC_OTHER is not set.

BUG=None
TEST=None
TBR=bsy

Review URL: http://codereview.chromium.org/5222003

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@3731 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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