[heap] Record pretenuring feedback for moved pages

src/heap/mark-compact.h

Index: src/heap/mark-compact.h
diff --git a/src/heap/mark-compact.h b/src/heap/mark-compact.h
index 44e90d5a4b20ec7b3e14ce4b6e175fa7e49766b7..91842bc0da1f47dfbe5be03dd120f9642b913c5c 100644
--- a/src/heap/mark-compact.h
+++ b/src/heap/mark-compact.h
@@ -329,6 +329,8 @@ class LiveObjectIterator BASE_EMBEDDED {
   MarkBit::CellType current_cell_;
 };
 
+enum PageEvacuationMode { NEW_TO_NEW, NEW_TO_OLD };
+
 // -------------------------------------------------------------------------
 // Mark-Compact collector
 class MarkCompactCollector {
@@ -526,6 +528,7 @@ class MarkCompactCollector {
   Sweeper& sweeper() { return sweeper_; }
 
  private:
+  template <PageEvacuationMode mode>
   class EvacuateNewSpacePageVisitor;
   class EvacuateNewSpaceVisitor;
   class EvacuateOldSpaceVisitor;