Introduce PromiseRejectCallback.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 87b939ad6c219986c192e33304fab1f76ff788d1..88e534fe3c4bc46e5f4cf8aab2de1effb89205d1 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -189,6 +189,8 @@ namespace internal {
   V(Symbol, detailed_stack_trace_symbol, DetailedStackTraceSymbol)             \
   V(Symbol, normal_ic_symbol, NormalICSymbol)                                  \
   V(Symbol, home_object_symbol, HomeObjectSymbol)                              \
+  V(Symbol, promise_debug_marker_symbol, PromiseDebugMarkerSymbol)             \
+  V(Symbol, promise_has_handler_symbol, PromiseHasHandlerSymbol)               \
   V(FixedArray, materialized_objects, MaterializedObjects)                     \
   V(FixedArray, allocation_sites_scratchpad, AllocationSitesScratchpad)        \
   V(FixedArray, microtask_queue, MicrotaskQueue)