Move CopyReplaceDescriptors to private

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index d0d67357a45dfd23fbc6e88548a832cd7db0fe43..635d4ab4baaaba3b0e113e8dda2d164ca762fff0 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6415,17 +6415,6 @@ class Map: public HeapObject {
   static Handle<Map> CurrentMapForDeprecatedInternal(Handle<Map> map);
 
   static Handle<Map> CopyDropDescriptors(Handle<Map> map);
-  static Handle<Map> CopyReplaceDescriptors(
-      Handle<Map> map,
-      Handle<DescriptorArray> descriptors,
-      TransitionFlag flag,
-      Handle<Name> name,
-      SimpleTransitionFlag simple_flag = FULL_TRANSITION);
-  static Handle<Map> CopyReplaceDescriptors(
-      Handle<Map> map,
-      Handle<DescriptorArray> descriptors,
-      TransitionFlag flag,
-      SimpleTransitionFlag simple_flag = FULL_TRANSITION);
   static Handle<Map> CopyInsertDescriptor(Handle<Map> map,
                                           Descriptor* descriptor,
                                           TransitionFlag flag);
@@ -6456,6 +6445,8 @@ class Map: public HeapObject {
 
   static Handle<Map> CopyForObserved(Handle<Map> map);
 
+  static Handle<Map> CopyForFreeze(Handle<Map> map);
+
   static Handle<Map> CopyNormalized(Handle<Map> map,
                                     PropertyNormalizationMode mode,
                                     NormalizedMapSharingMode sharing);
@@ -6701,6 +6692,12 @@ class Map: public HeapObject {
   static Handle<Map> CopyAddDescriptor(Handle<Map> map,
                                        Descriptor* descriptor,
                                        TransitionFlag flag);
+  static Handle<Map> CopyReplaceDescriptors(
+      Handle<Map> map,
+      Handle<DescriptorArray> descriptors,
+      TransitionFlag flag,
+      Handle<Name> name,
+      SimpleTransitionFlag simple_flag = FULL_TRANSITION);
 
   // Zaps the contents of backing data structures. Note that the
   // heap verifier (i.e. VerifyMarkingVisitor) relies on zapping of objects