[heap] Provide ObjectMarking with marking transitions

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index bf51b3640b04e31d3af7e7d452cc1034f93bf6ac..4a438bb106a643bfb405d63e5b039cedd644652c 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2111,7 +2111,7 @@ void WeakCell::initialize(HeapObject* val) {
   // We just have to execute the generational barrier here because we never
   // mark through a weak cell and collect evacuation candidates when we process
   // all weak cells.
-  WriteBarrierMode mode = Marking::IsBlack(ObjectMarking::MarkBitFrom(this))
+  WriteBarrierMode mode = ObjectMarking::IsBlack(this)
                               ? UPDATE_WRITE_BARRIER
                               : UPDATE_WEAK_WRITE_BARRIER;
   CONDITIONAL_WRITE_BARRIER(GetHeap(), this, kValueOffset, val, mode);