Update x86 toolchain DEPS to 6899
Update x86 toolchain DEPS to 6899

BUG= http://code.google.com/p/nativeclient/issues/detail?id=2343
TEST= trybots

R=eaeltsin@google.com,sehr@google.com

Review URL: http://codereview.chromium.org/8232022

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@6907 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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