Remove internalized cons string types.

src/types.cc

 // Copyright 2013 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 172 matching lines @@
     case SLICED_STRING_TYPE:
     case SLICED_ASCII_STRING_TYPE:
     case EXTERNAL_STRING_TYPE:
     case EXTERNAL_ASCII_STRING_TYPE:
     case EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE:
     case SHORT_EXTERNAL_STRING_TYPE:
     case SHORT_EXTERNAL_ASCII_STRING_TYPE:
     case SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE:
     case INTERNALIZED_STRING_TYPE:
     case ASCII_INTERNALIZED_STRING_TYPE:
-    case CONS_INTERNALIZED_STRING_TYPE:
-    case CONS_ASCII_INTERNALIZED_STRING_TYPE:
     case EXTERNAL_INTERNALIZED_STRING_TYPE:
     case EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE:
     case EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE:
     case SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE:
     case SHORT_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE:
     case SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE:
       return kString;
     case SYMBOL_TYPE:
       return kSymbol;
     case ODDBALL_TYPE:
@@ skipping 480 matching lines @@
 
 template TypeImpl<ZoneTypeConfig>::TypeHandle
   TypeImpl<ZoneTypeConfig>::Convert<HeapType>(
     TypeImpl<HeapTypeConfig>::TypeHandle, TypeImpl<ZoneTypeConfig>::Region*);
 template TypeImpl<HeapTypeConfig>::TypeHandle
   TypeImpl<HeapTypeConfig>::Convert<Type>(
     TypeImpl<ZoneTypeConfig>::TypeHandle, TypeImpl<HeapTypeConfig>::Region*);
 
 
 } }  // namespace v8::internal