Suppress leaks in CTFont (issue 138693)

tools/valgrind/tsan/suppressions.txt

Index: tools/valgrind/tsan/suppressions.txt
===================================================================
--- tools/valgrind/tsan/suppressions.txt	(revision 148064)
+++ tools/valgrind/tsan/suppressions.txt	(working copy)
@@ -1009,3 +1009,17 @@
   fun:media::Pipeline::StopTask
   fun:base::internal::RunnableAdapter::Run
 }
+{
+   bug_138691
+   ThreadSanitizer:Race
+   ...
+   fun:testing::internal::UntypedFunctionMockerBase::UntypedInvokeWith
+   fun:testing::internal::FunctionMockerBase::InvokeWith
+   fun:testing::internal::FunctionMocker::Invoke
+   fun:browser_sync::NewNonFrontendDataTypeControllerMock::RecordUnrecoverableError
+   fun:browser_sync::::NewNonFrontendDataTypeControllerFake::RecordUnrecoverableError
+   fun:browser_sync::NonFrontendDataTypeController::StartFailed
+   fun:browser_sync::NewNonFrontendDataTypeController::StartAssociationWithSharedChangeProcessor
+   fun:base::internal::RunnableAdapter::Run
+}
+