Revert 66719 - Reland r65996.  Disallows Singletons on non-joinable thread.

Test breakages caused by this change have been fixed here or in other changelists.

BUG=61753
TEST=none

Review URL: http://codereview.chromium.org/5024003

TBR=willchan@chromium.org
Review URL: http://codereview.chromium.org/5206005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66791 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: ee432ee0a565736be395b8729bc811212fd88bf3
7 files changed
tree: d1c1f4dd9ffd07a3e784707773fd91a71fe5e90c
  1. base/
  2. build/
  3. ipc/
  4. testing/