[heap] Remove PromotionMode used by Scavenger

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index cce467ff4f24deebbd53f8ef7f3652b3d8f44447..d05c91ef98f614c6950321ef7fa522b4feff9df4 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -342,8 +342,6 @@ class WeakObjectRetainer;
 
 typedef void (*ObjectSlotCallback)(HeapObject** from, HeapObject* to);
 
-enum PromotionMode { PROMOTE_MARKED, DEFAULT_PROMOTION };
-
 enum ArrayStorageAllocationMode {
   DONT_INITIALIZE_ARRAY_ELEMENTS,
   INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE
@@ -835,11 +833,8 @@ class Heap {
 
   // An object should be promoted if the object has survived a
   // scavenge operation.
-  template <PromotionMode promotion_mode>
   inline bool ShouldBePromoted(Address old_address, int object_size);
 
-  inline PromotionMode CurrentPromotionMode();
-
   void ClearNormalizedMapCaches();
 
   void IncrementDeferredCount(v8::Isolate::UseCounterFeature feature);
@@ -1778,8 +1773,7 @@ class Heap {
   // Performs a minor collection in new generation.
   void Scavenge();
 
-  Address DoScavenge(ObjectVisitor* scavenge_visitor, Address new_space_front,
-                     PromotionMode promotion_mode);
+  Address DoScavenge(ObjectVisitor* scavenge_visitor, Address new_space_front);
 
   void UpdateNewSpaceReferencesInExternalStringTable(
       ExternalStringTableUpdaterCallback updater_func);