Revert "[heap] Make survival counters concurrent (atomic)"

src/heap/mark-compact.cc

Index: src/heap/mark-compact.cc
diff --git a/src/heap/mark-compact.cc b/src/heap/mark-compact.cc
index 8338c5c38b9cb4650249d84c62e62ee6eeea9884..d44e0535674a24a406535bd0f7b4b06d38e87a49 100644
--- a/src/heap/mark-compact.cc
+++ b/src/heap/mark-compact.cc
@@ -3097,12 +3097,13 @@ HashMap* MarkCompactCollector::EvacuateNewSpaceInParallel() {
     USE(ok);
     DCHECK(ok);
   }
-  heap_->IncrementPromotedObjectsSize(new_space_visitor.promoted_size());
+  heap_->IncrementPromotedObjectsSize(
+      static_cast<int>(new_space_visitor.promoted_size()));
   heap_->IncrementSemiSpaceCopiedObjectSize(
-      new_space_visitor.semispace_copied_size());
+      static_cast<int>(new_space_visitor.semispace_copied_size()));
   heap_->IncrementYoungSurvivorsCounter(
-      new_space_visitor.promoted_size() +
-      new_space_visitor.semispace_copied_size());
+      static_cast<int>(new_space_visitor.promoted_size()) +
+      static_cast<int>(new_space_visitor.semispace_copied_size()));
   return local_pretenuring_feedback;
 }