Refactor string internalization.

src/factory.h

 // 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 86 matching lines @@
   Handle<String> InternalizeUtf8String(const char* str) {
     return InternalizeUtf8String(CStrVector(str));
   }
   Handle<String> InternalizeString(Handle<String> str);
   Handle<String> InternalizeOneByteString(Vector<const uint8_t> str);
   Handle<String> InternalizeOneByteString(Handle<SeqOneByteString>,
                                    int from,
                                    int length);
   Handle<String> InternalizeTwoByteString(Vector<const uc16> str);
 
+  template<class StringTableKey>
+  Handle<String> InternalizeStringWithKey(StringTableKey* key);
+
 
   // String creation functions.  Most of the string creation functions take
   // a Heap::PretenureFlag argument to optionally request that they be
   // allocated in the old generation.  The pretenure flag defaults to
   // DONT_TENURE.
   //
   // Creates a new String object.  There are two String encodings: ASCII and
   // two byte.  One should choose between the three string factory functions
   // based on the encoding of the string buffer that the string is
   // initialized from.
@@ skipping 481 matching lines @@
                           isolate());
   } else {
     return NewNumber(static_cast<double>(value), pretenure);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_