CPU profiler should support names of accessors set via v8::Object::SetAccessor

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index f45945b4b777767f6d57a9ff4b7e88e13c580a79..f865d6c3428b0aef8ffcb45059106980abde7ff8 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -344,6 +344,8 @@ MaybeObject* JSObject::GetPropertyWithCallback(Object* receiver,
     {
       // Leaving JavaScript.
       VMState<EXTERNAL> state(isolate);
+      ExternalCallbackScope call_scope(isolate,
+                                       v8::ToCData<Address>(fun_obj));
       result = args.Call(call_fun, v8::Utils::ToLocal(key));
     }
     RETURN_IF_SCHEDULED_EXCEPTION(isolate);
@@ -2791,6 +2793,8 @@ MaybeObject* JSObject::SetPropertyWithCallback(Object* structure,
     {
       // Leaving JavaScript.
       VMState<EXTERNAL> state(isolate);
+      ExternalCallbackScope call_scope(isolate,
+                                       v8::ToCData<Address>(call_obj));
       args.Call(call_fun,
                 v8::Utils::ToLocal(key),
                 v8::Utils::ToLocal(value_handle));