Revert of [heap] Provide ObjectMarking with marking transitions

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 c40989596c9939027ef7189e2ae18ecd41a1e46a..9952b7953dfb154e73e81eccfb4e260a04a3e98b 100644
--- a/src/heap/mark-compact.h
+++ b/src/heap/mark-compact.h
@@ -44,76 +44,6 @@
 
   static Marking::ObjectColor Color(HeapObject* obj) {
     return Marking::Color(ObjectMarking::MarkBitFrom(obj));
-  }
-
-  V8_INLINE static bool IsImpossible(HeapObject* obj) {
-    return Marking::IsImpossible(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static bool IsBlack(HeapObject* obj) {
-    return Marking::IsBlack(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static bool IsWhite(HeapObject* obj) {
-    return Marking::IsWhite(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static bool IsGrey(HeapObject* obj) {
-    return Marking::IsGrey(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static bool IsBlackOrGrey(HeapObject* obj) {
-    return Marking::IsBlackOrGrey(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static void ClearMarkBit(HeapObject* obj) {
-    Marking::MarkWhite(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static void BlackToWhite(HeapObject* obj) {
-    DCHECK(IsBlack(obj));
-    MarkBit markbit = MarkBitFrom(obj);
-    Marking::BlackToWhite(markbit);
-    MemoryChunk::IncrementLiveBytes(obj, -obj->Size());
-  }
-
-  V8_INLINE static void GreyToWhite(HeapObject* obj) {
-    DCHECK(IsGrey(obj));
-    Marking::GreyToWhite(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static void BlackToGrey(HeapObject* obj) {
-    DCHECK(IsBlack(obj));
-    MarkBit markbit = MarkBitFrom(obj);
-    Marking::BlackToGrey(markbit);
-    MemoryChunk::IncrementLiveBytes(obj, -obj->Size());
-  }
-
-  V8_INLINE static void WhiteToGrey(HeapObject* obj) {
-    DCHECK(IsWhite(obj));
-    Marking::WhiteToGrey(MarkBitFrom(obj));
-  }
-
-  V8_INLINE static void WhiteToBlack(HeapObject* obj) {
-    DCHECK(IsWhite(obj));
-    MarkBit markbit = MarkBitFrom(obj);
-    Marking::WhiteToBlack(markbit);
-    MemoryChunk::IncrementLiveBytes(obj, obj->Size());
-  }
-
-  V8_INLINE static void GreyToBlack(HeapObject* obj) {
-    DCHECK(IsGrey(obj));
-    MarkBit markbit = MarkBitFrom(obj);
-    Marking::GreyToBlack(markbit);
-    MemoryChunk::IncrementLiveBytes(obj, obj->Size());
-  }
-
-  V8_INLINE static void AnyToGrey(HeapObject* obj) {
-    MarkBit markbit = MarkBitFrom(obj);
-    if (Marking::IsBlack(markbit)) {
-      MemoryChunk::IncrementLiveBytes(obj, -obj->Size());
-    }
-    Marking::AnyToGrey(markbit);
   }
 
  private:
@@ -665,7 +595,7 @@
 
   // Marks the object black assuming that it is not yet marked.
   // This is for non-incremental marking only.
-  INLINE(void SetMark(HeapObject* obj));
+  INLINE(void SetMark(HeapObject* obj, MarkBit mark_bit));
 
   // Mark the heap roots and all objects reachable from them.
   void MarkRoots(RootMarkingVisitor<MarkCompactMode::FULL>* visitor);