Use FixedTypedArrayBase's body descriptor for static visiting

src/heap/scavenger-inl.h

Index: src/heap/scavenger-inl.h
diff --git a/src/heap/scavenger-inl.h b/src/heap/scavenger-inl.h
index 6ac64f2eb697ccfb89a52ccbde8cb511e73c7ce2..95a7079f3d08265fe897f7a0eaa59c85498415cc 100644
--- a/src/heap/scavenger-inl.h
+++ b/src/heap/scavenger-inl.h
@@ -45,6 +45,16 @@ void StaticScavengeVisitor::VisitPointer(Heap* heap, Object** p) {
                             reinterpret_cast<HeapObject*>(object));
 }
 
+
+// static
+void StaticScavengeVisitor::VisitPointer(Heap* heap, HeapObject* obj,
+                                         Object** p) {
+  Object* object = *p;
+  if (!heap->InNewSpace(object)) return;
+  Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
+                            reinterpret_cast<HeapObject*>(object));
+}
+
 }  // namespace internal
 }  // namespace v8