GitLab

BUG=116317
TEST=none

This adds code for the NaCl untrusted build of the PPAPI proxy. The NaCl IRT can't
create threads that call back into user code, so the Audio thread must be created
using a special NaCl API.
Review URL: https://chromiumcodereview.appspot.com/10809079

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148423 0039d316-1c4b-4281-b951-d872f2087c98