Revert 143656 - Add an IPC channel between the NaCl loader process and the renderer.
BUG=116317
TEST=ppapi, nacl tests, manual testing for experimental IPC proxy.
Review URL: https://chromiumcodereview.appspot.com/10641016

TBR=bbudge@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10625007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@143665 0039d316-1c4b-4281-b951-d872f2087c98
NaClListener::NaClListener() : shutdown_event_(true, false),
                               io_thread_("NaCl_IOThread"),
                               main_loop_(NULL) {
  io_thread_.StartWithOptions(base::Thread::Options(MessageLoop::TYPE_IO, 0));
#if defined(OS_WIN)
  DCHECK(g_listener == NULL);
  g_listener = this;
#endif
}

NaClListener::NaClListener() : shutdown_event_(true, false),
                               io_thread_("NaCl_IOThread"),
                               main_loop_(NULL) {
  io_thread_.StartWithOptions(base::Thread::Options(MessageLoop::TYPE_IO, 0));
#if defined(OS_WIN)
  DCHECK(g_listener == NULL);
  g_listener = this;
#endif
}
