Rename "NoBarrier" memory operations to "Relaxed".

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include <unordered_map>
 #include <unordered_set>
 
 #include "src/accessors.h"
@@ skipping 3109 matching lines @@
         SKIP_WRITE_BARRIER);
   } else if (size == 2 * kPointerSize) {
     filler->set_map_after_allocation(
         reinterpret_cast<Map*>(root(kTwoPointerFillerMapRootIndex)),
         SKIP_WRITE_BARRIER);
   } else {
     DCHECK_GT(size, 2 * kPointerSize);
     filler->set_map_after_allocation(
         reinterpret_cast<Map*>(root(kFreeSpaceMapRootIndex)),
         SKIP_WRITE_BARRIER);
-    FreeSpace::cast(filler)->nobarrier_set_size(size);
+    FreeSpace::cast(filler)->relaxed_write_size(size);
   }
   if (mode == ClearRecordedSlots::kYes) {
     ClearRecordedSlotRange(addr, addr + size);
   }
 
   // At this point, we may be deserializing the heap from a snapshot, and
   // none of the maps have been created yet and are NULL.
   DCHECK((filler->map() == NULL && !deserialization_complete_) ||
          filler->map()->IsMap());
   return filler;
@@ skipping 3457 matching lines @@
     case LO_SPACE:
       return "LO_SPACE";
     default:
       UNREACHABLE();
   }
   return NULL;
 }
 
 }  // namespace internal
 }  // namespace v8