Reland: Add a trace-event for each runtime-stats timer (CL 2052523002)

src/api-arguments.cc

Index: src/api-arguments.cc
diff --git a/src/api-arguments.cc b/src/api-arguments.cc
index f8d6c8fcc3ddda3ee8d83e5419be4b7127ff8f8a..258221e66173340a3d5e574f47ed0d1b85b93658 100644
--- a/src/api-arguments.cc
+++ b/src/api-arguments.cc
@@ -13,6 +13,7 @@ namespace internal {
 Handle<Object> FunctionCallbackArguments::Call(FunctionCallback f) {
   Isolate* isolate = this->isolate();
   RuntimeCallTimerScope timer(isolate, &RuntimeCallStats::FunctionCallback);
+  TRACE_RUNTIME_CALL("FunctionCallback");
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
   FunctionCallbackInfo<v8::Value> info(begin(), argv_, argc_);
@@ -24,6 +25,7 @@ Handle<JSObject> PropertyCallbackArguments::Call(
     IndexedPropertyEnumeratorCallback f) {
   Isolate* isolate = this->isolate();
   RuntimeCallTimerScope timer(isolate, &RuntimeCallStats::PropertyCallback);
+  TRACE_RUNTIME_CALL("PropertyCallback");
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
   PropertyCallbackInfo<v8::Array> info(begin());