Use FixedTypedArrayBase's body descriptor for static visiting

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 5d2176186fdbd215ce6f6a93ac66eccc5ed43edd..e20e858f64d71a0d9541ea5dad78963c7d2dc899 100644
--- a/src/heap/objects-visiting.h
+++ b/src/heap/objects-visiting.h
@@ -247,7 +247,9 @@ class StaticNewSpaceVisitor : public StaticVisitorBase {
 
   INLINE(static void VisitPointers(Heap* heap, HeapObject* object,
                                    Object** start, Object** end)) {
-    for (Object** p = start; p < end; p++) StaticVisitor::VisitPointer(heap, p);
+    for (Object** p = start; p < end; p++) {
+      StaticVisitor::VisitPointer(heap, object, p);
+    }
   }
 
   // Although we are using the JSFunction body descriptor which does not
@@ -268,10 +270,6 @@ class StaticNewSpaceVisitor : public StaticVisitorBase {
     return FixedDoubleArray::SizeFor(length);
   }
 
-  INLINE(static int VisitFixedTypedArray(Map* map, HeapObject* object)) {
-    return reinterpret_cast<FixedTypedArrayBase*>(object)->size();
-  }
-
   INLINE(static int VisitJSObject(Map* map, HeapObject* object)) {
     return JSObjectVisitor::Visit(map, object);
   }