v8 inspector: do not upon empty object ids in heap profiler.

src/inspector/v8-heap-profiler-agent-impl.cc

Index: src/inspector/v8-heap-profiler-agent-impl.cc
diff --git a/src/inspector/v8-heap-profiler-agent-impl.cc b/src/inspector/v8-heap-profiler-agent-impl.cc
index 0ff04e75b9be5b9f973a03e3b5e86024b154a58c..d42859d52c2f2e653a1097397c79d7bfd6df2487 100644
--- a/src/inspector/v8-heap-profiler-agent-impl.cc
+++ b/src/inspector/v8-heap-profiler-agent-impl.cc
@@ -244,7 +244,7 @@ Response V8HeapProfilerAgentImpl::getObjectByHeapObjectId(
 
   *result = m_session->wrapObject(heapObject->CreationContext(), heapObject,
                                   objectGroup.fromMaybe(""), false);
-  if (!result) return Response::Error("Object is not available");
+  if (!*result) return Response::Error("Object is not available");
   return Response::OK();
 }