Grouping all map creation code.

src/handles.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 147 matching lines @@
   // If objects constructed from this function exist then changing
   // 'estimated_nof_properties' is dangerous since the previous value might
   // have been compiled into the fast construct stub. More over, the inobject
   // slack tracking logic might have adjusted the previous value, so even
   // passing the same value is risky.
   if (func->shared()->live_objects_may_exist()) return;
 
   func->shared()->set_expected_nof_properties(nof);
   if (func->has_initial_map()) {
     Handle<Map> new_initial_map =
-        func->GetIsolate()->factory()->CopyMapDropTransitions(
+        func->GetIsolate()->factory()->CopyMap(
             Handle<Map>(func->initial_map()));
     new_initial_map->set_unused_property_fields(nof);
     func->set_initial_map(*new_initial_map);
   }
 }
 
 
 void SetPrototypeProperty(Handle<JSFunction> func, Handle<JSObject> value) {
   CALL_HEAP_FUNCTION_VOID(func->GetIsolate(),
                           func->SetPrototype(*value));
@@ skipping 816 matching lines @@
   data->next = prev_next_;
   data->limit = prev_limit_;
 #ifdef DEBUG
   handles_detached_ = true;
 #endif
   return deferred;
 }
 
 
 } }  // namespace v8::internal