[heap] Remove PromotionMode used by Scavenger

src/heap/heap.h

 // 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.
 
 #ifndef V8_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 324 matching lines @@
 class PagedSpace;
 class Scavenger;
 class ScavengeJob;
 class Space;
 class StoreBuffer;
 class TracePossibleWrapperReporter;
 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
 };
 
 enum class ClearRecordedSlots { kYes, kNo };
 
 enum class ClearBlackArea { kYes, kNo };
 
 enum class GarbageCollectionReason {
@@ skipping 471 matching lines @@
 
   void RecordStats(HeapStats* stats, bool take_snapshot = false);
 
   // Check new space expansion criteria and expand semispaces if it was hit.
   void CheckNewSpaceExpansionCriteria();
 
   void VisitExternalResources(v8::ExternalResourceVisitor* visitor);
 
   // 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);
 
   // Completely clear the Instanceof cache (to stop it keeping objects alive
   // around a GC).
   inline void CompletelyClearInstanceofCache();
 
   inline uint32_t HashSeed();
 
@@ skipping 918 matching lines @@
   // Performs a major collection in the whole heap.
   void MarkCompact();
 
   // Code to be run before and after mark-compact.
   void MarkCompactPrologue();
   void MarkCompactEpilogue();
 
   // 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);
 
   void UpdateReferencesInExternalStringTable(
       ExternalStringTableUpdaterCallback updater_func);
 
   void ProcessAllWeakReferences(WeakObjectRetainer* retainer);
   void ProcessYoungWeakReferences(WeakObjectRetainer* retainer);
   void ProcessNativeContexts(WeakObjectRetainer* retainer);
@@ skipping 845 matching lines @@
   }
 
  private:
   Heap* heap_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_