Remove obsolete SLOT_ADDR macro usages.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 9bc6b9b6a5174b5dd65a9549d6f69092d0365f36..3bffe241f6e8624daad0aa70a19210477b39020d 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5359,14 +5359,13 @@ void ExternalTwoByteString::ExternalTwoByteStringIterateBody() {
       reinterpret_cast<Resource**>(FIELD_ADDR(this, kResourceOffset)));
 }
 
-#define SLOT_ADDR(obj, offset) \
-  reinterpret_cast<Object**>((obj)->address() + offset)
 
 template<int start_offset, int end_offset, int size>
 void FixedBodyDescriptor<start_offset, end_offset, size>::IterateBody(
     HeapObject* obj,
     ObjectVisitor* v) {
-    v->VisitPointers(SLOT_ADDR(obj, start_offset), SLOT_ADDR(obj, end_offset));
+    v->VisitPointers(HeapObject::RawField(obj, start_offset),
+                     HeapObject::RawField(obj, end_offset));
 }
 
 
@@ -5374,10 +5373,10 @@ template<int start_offset>
 void FlexibleBodyDescriptor<start_offset>::IterateBody(HeapObject* obj,
                                                        int object_size,
                                                        ObjectVisitor* v) {
-  v->VisitPointers(SLOT_ADDR(obj, start_offset), SLOT_ADDR(obj, object_size));
+  v->VisitPointers(HeapObject::RawField(obj, start_offset),
+                   HeapObject::RawField(obj, object_size));
 }
 
-#undef SLOT_ADDR
 
 #undef TYPE_CHECKER
 #undef CAST_ACCESSOR