More of the concurrent copying collector.

Bug: 12687968
Change-Id: I62f70274d47df6d6cab714df95c518b750ce3105
diff --git a/runtime/mirror/object.cc b/runtime/mirror/object.cc
index 6914f38..9262a3e 100644
--- a/runtime/mirror/object.cc
+++ b/runtime/mirror/object.cc
@@ -75,7 +75,7 @@
   uint8_t* dst_bytes = reinterpret_cast<uint8_t*>(dest);
   size_t offset = sizeof(Object);
   memcpy(dst_bytes + offset, src_bytes + offset, num_bytes - offset);
-  if (kUseBakerOrBrooksReadBarrier) {
+  if (kUseReadBarrier) {
     // We need a RB here. After the memcpy that covers the whole
     // object above, copy references fields one by one again with a
     // RB. TODO: Optimize this later?