Moving the WhitenessWitness back to DescriptorArray.

src/transitions.h

Index: src/transitions.h
diff --git a/src/transitions.h b/src/transitions.h
index e79d6cae54f7d74c51c5380286b974f904ab1fa1..f937e847da91a8d06da02126fe78635bbcd6b460 100644
--- a/src/transitions.h
+++ b/src/transitions.h
@@ -113,8 +113,7 @@ class TransitionArray: public FixedArray {
   // Copy a single transition from the origin array.
   inline void CopyFrom(TransitionArray* origin,
                        int origin_transition,
-                       int target_transition,
-                       const WhitenessWitness& witness);
+                       int target_transition);
 
   // Search a transition for a given property name.
   inline int Search(String* name);
@@ -184,8 +183,7 @@ class TransitionArray: public FixedArray {
 
   inline void Set(int transition_number,
                   String* key,
-                  Map* target,
-                  const WhitenessWitness&);
+                  Map* target);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(TransitionArray);
 };