More efficient use of space in AllocationSite.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 52711584363977303d682436a0cec6f746e7cfff..0e60a56897574e6a7d4f22d157abc3ff8ac6d7ef 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -525,8 +525,8 @@ void Heap::ProcessPretenuringFeedback() {
               list_element->IsAllocationSite()) {
       AllocationSite* site = use_scratchpad ?
         allocation_sites_scratchpad[i] : AllocationSite::cast(list_element);
-      allocation_mementos_found += site->memento_found_count()->value();
-      if (site->memento_found_count()->value() > 0) {
+      allocation_mementos_found += site->memento_found_count();
+      if (site->memento_found_count() > 0) {
         active_allocation_sites++;
       }
       if (site->DigestPretenuringFeedback()) {