Handlefy Descriptor and other code in objects.cc

src/transitions.h

Index: src/transitions.h
diff --git a/src/transitions.h b/src/transitions.h
index 220d54949fb61fa11593e27468e04d72e2b08a19..0b171d7fd48771165b3cff7b5f247dd8dbe3f187 100644
--- a/src/transitions.h
+++ b/src/transitions.h
@@ -102,12 +102,23 @@ class TransitionArray: public FixedArray {
       Map* target,
       Object* back_pointer);
 
+  static Handle<TransitionArray> NewWithHandle(
+      SimpleTransitionFlag flag,
+      Handle<Name> key,
+      Handle<Map> target,
+      Handle<Object> back_pointer);
+
   MUST_USE_RESULT MaybeObject* ExtendToFullTransitionArray();
 
   // Copy the transition array, inserting a new transition.
   // TODO(verwaest): This should not cause an existing transition to be
   // overwritten.
-  MUST_USE_RESULT MaybeObject* CopyInsert(Name* name, Map* target);
+  static Handle<TransitionArray> CopyInsert(Handle<TransitionArray> array,
+                                            Handle<Name> name,
+                                            Handle<Map> target);
+
+  MUST_USE_RESULT MaybeObject* CopyInsert(Name* name,
+                                          Map* target);
 
   // Copy a single transition from the origin array.
   inline void NoIncrementalWriteBarrierCopyFrom(TransitionArray* origin,
@@ -118,6 +129,9 @@ class TransitionArray: public FixedArray {
   inline int Search(Name* name);
 
   // Allocates a TransitionArray.
+  static Handle<TransitionArray> AllocateHandle(
+      Isolate* isolate, int number_of_transitions);
+
   MUST_USE_RESULT static MaybeObject* Allocate(
       Isolate* isolate, int number_of_transitions);