Rename "NoBarrier" memory operations to "Relaxed".

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index 68bcd653bd8f53c3738aea79e428a838dfd3dc8e..45015a2b9095becb1738c09985b2160bdb11a47f 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -134,7 +134,7 @@ v8::Local<v8::Object> CcTest::global() {
 }
 
 void CcTest::InitializeVM() {
-  CHECK(!v8::base::NoBarrier_Load(&isolate_used_));
+  CHECK(!v8::base::Relaxed_Load(&isolate_used_));
   CHECK(!initialize_called_);
   initialize_called_ = true;
   v8::HandleScope handle_scope(CcTest::isolate());