Create a thread safe version of StatsCounters and use.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 0ef4a8bf2d1dd7e0f658dcc091de68c07763add1..52e25b21b917c63736e88a5eaf005b3f332016bb 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -8690,9 +8690,7 @@ void Isolate::SetUseCounterCallback(UseCounterCallback callback) {
 
 void Isolate::SetCounterFunction(CounterLookupCallback callback) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
-  isolate->stats_table()->SetCounterFunction(callback);
-  isolate->InitializeLoggingAndCounters();
-  isolate->counters()->ResetCounters();
+  isolate->stats_table()->SetCounterFunction(callback, isolate);
 }