Instrumentations to trace Swarm startup.

Source/WebCore/bindings/dart/DartApplicationLoader.h

 // Copyright 2011, 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 73 matching lines @@
     UrlSet m_importedLibraries;
     UrlMultiMap m_importersForSource;
 
     // Sources of resources loaded from the URL.
     // We save them verbatim to be able to reinject them later.
     HashMap<String, String> m_sources;
 
     bool m_mainScriptHasBeenLoaded;
 
     friend class ScriptLoadCallback;
+    friend class Timeline;
 };
 
 // FIXME: consolidate when we have multiple isolates.
 // FIXME: merge with DartUtilities' per isolate data.
 typedef HashMap<Dart_Isolate, DartApplicationLoader*> IsolateToDartApplicationLoaderMap;
 
 IsolateToDartApplicationLoaderMap& isolateToDartApplicationLoaderMap();
 }
 
 #endif // DartApplicationLoader_h