TSAN: Suppress an error in tracked_objects::ThreadData.

BUG=309847
NOTRY=true
TBR=glider@chromium.org

Review URL: https://codereview.chromium.org/126513008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243471 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/tsan/suppressions_win32.txt

@@ -242,6 +242,24 @@
   fun:NdrNonEncapsulatedUnionBufferSize
   fun:NdrNonEncapsulatedUnionBufferSize
 }
+{
+  bug_309847
+  ThreadSanitizer:Race
+  fun:tracked_objects::ThreadData::TallyADeath
+  fun:tracked_objects::ThreadData::TallyRunOnNamedThreadIfTracking
+  fun:base::MessageLoop::RunTask
+  fun:base::MessageLoop::RunTask
+  fun:base::MessageLoop::RunTask
+  fun:base::MessageLoop::DeferOrRunPendingTask
+  fun:base::MessageLoop::DoWork
+  fun:base::MessageLoop::DoWork
+  fun:base::MessagePumpDefault::Run
+  fun:base::MessageLoop::RunHandler
+  fun:base::RunLoop::Run
+  fun:net::test_server::EmbeddedTestServer::PostTaskToIOThreadAndWait
+  fun:net::test_server::EmbeddedTestServer::InitializeAndWaitUntilReady
+  fun:net::test_server::EmbeddedTestServerThreadingTestDelegate::ThreadMain
+}
 {
   bug_314654_a
   ThreadSanitizer:Race