[counters] Annotate v8 with more runtime call counters.

src/api-arguments.cc

Index: src/api-arguments.cc
diff --git a/src/api-arguments.cc b/src/api-arguments.cc
index 0c9ea704018d3ed840b79ea19407d914919f1c65..d04ae6ab268455e384d9fbbaa78b57b99a3f3383 100644
--- a/src/api-arguments.cc
+++ b/src/api-arguments.cc
@@ -9,6 +9,8 @@ namespace internal {
 
 Handle<Object> FunctionCallbackArguments::Call(FunctionCallback f) {
   Isolate* isolate = this->isolate();
+  RuntimeCallTimerScope timer(
+      isolate, &isolate->counters()->runtime_call_stats()->FunctionCallback);
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
   FunctionCallbackInfo<v8::Value> info(begin(), argv_, argc_);
@@ -19,6 +21,8 @@ Handle<Object> FunctionCallbackArguments::Call(FunctionCallback f) {
 Handle<JSObject> PropertyCallbackArguments::Call(
     IndexedPropertyEnumeratorCallback f) {
   Isolate* isolate = this->isolate();
+  RuntimeCallTimerScope timer(
+      isolate, &isolate->counters()->runtime_call_stats()->PropertyCallback);
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
   PropertyCallbackInfo<v8::Array> info(begin());