ClearNonLiveTransitions indepedent of ContentArray

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 0be24f9e6aeb60e74c7c6ff0c502760ecedc8433..a7e0f338b3ad3a0d9db1ad032e9df3ddd98d04ce 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2451,7 +2451,9 @@ class DescriptorArray: public FixedArray {
   inline String* GetKey(int descriptor_number);
   inline Object* GetValue(int descriptor_number);
   inline Object** GetValueSlot(int descriptor_number);
+  inline void SetNullValueUnchecked(int descriptor_number, Heap* heap);
   inline PropertyDetails GetDetails(int descriptor_number);
+  inline void SetDetailsUnchecked(int descriptor_number, Smi* value);
   inline PropertyType GetType(int descriptor_number);
   inline int GetFieldIndex(int descriptor_number);
   inline JSFunction* GetConstantFunction(int descriptor_number);