Rename "NoBarrier" memory operations to "Relaxed".

src/objects/object-macros-undef.h

Index: src/objects/object-macros-undef.h
diff --git a/src/objects/object-macros-undef.h b/src/objects/object-macros-undef.h
index cbcbfac458959a4fb567dbb2ee1fb64362ab97ec..e2f82c053e08eb6f05a8936d0de9ad84d6642288 100644
--- a/src/objects/object-macros-undef.h
+++ b/src/objects/object-macros-undef.h
@@ -14,7 +14,7 @@
 #undef SMI_ACCESSORS_CHECKED
 #undef SMI_ACCESSORS
 #undef SYNCHRONIZED_SMI_ACCESSORS
-#undef NOBARRIER_SMI_ACCESSORS
+#undef RELAXED_SMI_ACCESSORS
 #undef BOOL_GETTER
 #undef BOOL_ACCESSORS
 #undef TYPE_CHECKER
@@ -22,10 +22,10 @@
 #undef FIELD_ADDR_CONST
 #undef READ_FIELD
 #undef ACQUIRE_READ_FIELD
-#undef NOBARRIER_READ_FIELD
+#undef RELAXED_READ_FIELD
 #undef WRITE_FIELD
 #undef RELEASE_WRITE_FIELD
-#undef NOBARRIER_WRITE_FIELD
+#undef RELAXED_WRITE_FIELD
 #undef WRITE_BARRIER
 #undef CONDITIONAL_WRITE_BARRIER
 #undef READ_DOUBLE_FIELD
@@ -53,7 +53,7 @@
 #undef READ_INT64_FIELD
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
-#undef NOBARRIER_READ_BYTE_FIELD
+#undef RELAXED_READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
-#undef NOBARRIER_WRITE_BYTE_FIELD
+#undef RELAXED_WRITE_BYTE_FIELD
 #undef DECLARE_VERIFIER