Changes to use the modified dart API for

Source/bindings/dart/DartStringCache.cpp

 // 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 25 matching lines @@
 namespace WebCore {
 
 DartStringCache::DartStringCache()
 {
     m_lastStringImpl = 0;
     m_lastDartString = 0;
 }
 
 void DartStringCache::clearWeakHandles()
 {
+    Dart_Isolate isolate = Dart_CurrentIsolate();
     for (StringCache::iterator it = m_stringCache.begin(); it != m_stringCache.end(); ++it) {
         it->key->deref();
-        Dart_DeleteWeakPersistentHandle(it->value);
+        Dart_DeleteWeakPersistentHandle(isolate, it->value);
     }
     m_stringCache.clear();
     m_lastStringImpl = 0;
     m_lastDartString = 0;
 }
 
 Dart_WeakPersistentHandle DartStringCache::getSlow(StringImpl* stringImpl, bool autoDartScope)
 {
     ASSERT(stringImpl);
 
@@ skipping 18 matching lines @@
 
     m_lastStringImpl = stringImpl;
     m_lastDartString = wrapper;
 
     if (!autoDartScope)
         Dart_ExitScope();
 
     return wrapper;
 }
 
-void DartStringCache::handleFinalizer(Dart_WeakPersistentHandle handle, void* peer)
+void DartStringCache::handleFinalizer(Dart_Isolate isolate, Dart_WeakPersistentHandle handle, void* peer)
 {
     StringImpl* stringImpl = reinterpret_cast<StringImpl*>(peer);
-    DartStringCache& stringCache = DartDOMData::current()->stringCache();
+    DartDOMData* domData = reinterpret_cast<DartDOMData*>(Dart_IsolateData(isolate));
+    DartStringCache& stringCache = domData->stringCache();
     Dart_WeakPersistentHandle ALLOW_UNUSED cached = stringCache.m_stringCache.take(stringImpl);
     ASSERT(handle == cached);
     if (stringCache.m_lastDartString == handle) {
         stringCache.m_lastStringImpl = 0;
         stringCache.m_lastDartString = 0;
     }
-    Dart_DeleteWeakPersistentHandle(handle);
+    Dart_DeleteWeakPersistentHandle(isolate, handle);
     stringImpl->deref();
 }
 
 }