Reland of [heap] Simplify marking of JSFunction and SFI

src/heap/objects-visiting.h

Index: src/heap/objects-visiting.h
diff --git a/src/heap/objects-visiting.h b/src/heap/objects-visiting.h
index 0bfdeead417dbe7f6bb0d8ecc2aa9386fe0750ac..633c277eb065af6eab5bb15119d7ae5c6e4d8d01 100644
--- a/src/heap/objects-visiting.h
+++ b/src/heap/objects-visiting.h
@@ -386,8 +386,8 @@
 
   // Helpers used by code flushing support that visit pointer fields and treat
   // references to code objects either strongly or weakly.
-  static void VisitSharedFunctionInfoStrongCode(Heap* heap, HeapObject* object);
-  static void VisitSharedFunctionInfoWeakCode(Heap* heap, HeapObject* object);
+  static void VisitSharedFunctionInfoStrongCode(Map* map, HeapObject* object);
+  static void VisitSharedFunctionInfoWeakCode(Map* map, HeapObject* object);
   static void VisitJSFunctionStrongCode(Map* map, HeapObject* object);
   static void VisitJSFunctionWeakCode(Map* map, HeapObject* object);