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 9eef8056270f8dcf3e77f7b8e9b7cc6aae7dfb21..d69e17655bd96853ec92dbb381c9b06ee03af83a 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -8718,9 +8718,7 @@ 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);
 }