Changes to use the modified dart API for

Source/bindings/dart/DartStringCache.h

 // Copyright 2012, Google Inc.
 // 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
@@ skipping 39 matching lines @@
 
         return getSlow(stringImpl, autoDartScope);
     }
 
     void clearWeakHandles();
 
     // FIXME: implement clearing on GC.
 
 private:
     Dart_WeakPersistentHandle getSlow(StringImpl*, bool autoDartScope);
-    static void handleFinalizer(Dart_WeakPersistentHandle, void* peer);
+    static void handleFinalizer(Dart_Isolate, Dart_WeakPersistentHandle, void* peer);
 
     typedef HashMap<StringImpl*, Dart_WeakPersistentHandle> StringCache;
     StringCache m_stringCache;
     Dart_WeakPersistentHandle m_lastDartString;
     // Note: RefPtr is a must as we cache by StringImpl* equality, not identity
     // hence lastStringImpl might be not a key of the cache (in sense of identity)
     // and hence it's not refed on addition.
     RefPtr<StringImpl> m_lastStringImpl;
 };
 
 }
 
 #endif