Grouping all map creation code.

src/api.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 3216 matching lines @@
   ON_BAILOUT(isolate, "v8::Object::TurnOnAccessCheck()", return);
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
 
   // When turning on access checks for a global object deoptimize all functions
   // as optimized code does not always handle access checks.
   i::Deoptimizer::DeoptimizeGlobalObject(*obj);
 
   i::Handle<i::Map> new_map =
-      isolate->factory()->CopyMapDropTransitions(i::Handle<i::Map>(obj->map()));
+      isolate->factory()->CopyMap(i::Handle<i::Map>(obj->map()));
   new_map->set_is_access_check_needed(true);
   obj->set_map(*new_map);
 }
 
 
 bool v8::Object::IsDirty() {
   return Utils::OpenHandle(this)->IsDirty();
 }
 
 
@@ skipping 3270 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal