Revert 189518 "PPAPI: Remove threading options; it's always on"

This is an experimental revert to see if it helps with imaging-darkroom on Kraken.

BUG=222741,159240,92909

> PPAPI: Remove threading options; it's always on
> 
> This also re-enables thread checking for the host side resource and var trackers. Before, checking was disabled everywhere.
> 
> BUG=159240,92909
> 
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=186925
> Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=186939 due to build errors
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=187340
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=187427
> Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=187668 due to a failing check in Canary, which was fixed here: https://src.chromium.org/viewvc/chrome?view=rev&revision=187681
> 
> Review URL: https://chromiumcodereview.appspot.com/12378050

TBR=dmichael@chromium.org
Review URL: https://codereview.chromium.org/12920003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@189682 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 2 deletions

diff --git a/ppapi/shared_impl/test_globals.cc b/ppapi/shared_impl/test_globals.cc
index 6c6af5b..913d53c 100644
--- a/ppapi/shared_impl/test_globals.cc
+++ b/ppapi/shared_impl/test_globals.cc
@@ -8,13 +8,11 @@ namespace ppapi {
 
 TestGlobals::TestGlobals()
     : ppapi::PpapiGlobals(),
-      resource_tracker_(ResourceTracker::THREAD_SAFE),
       callback_tracker_(new CallbackTracker) {
 }
 
 TestGlobals::TestGlobals(PpapiGlobals::PerThreadForTest per_thread_for_test)
     : ppapi::PpapiGlobals(per_thread_for_test),
-      resource_tracker_(ResourceTracker::THREAD_SAFE),
       callback_tracker_(new CallbackTracker) {
 }