Return NULL from base::Thread::message_loop_proxy() when thread is not started.

Previously that method was crashing when called when thread is not running


Review URL: http://codereview.chromium.org/10375014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@135470 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 0feccfea7b39133fe14058ad4a7d92b1d2a8ff2c
1 file changed
tree: 52902e63593ab07863c0ad4d8dd8b201c56f9b01
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/