Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/dom/MutationObserver.h

 /*
  * Copyright (C) 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_
 #define SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_
 
-#include "sky/engine/bindings/core/v8/ScriptWrappable.h"
+#include "sky/engine/tonic/dart_wrappable.h"
 #include "sky/engine/platform/heap/Handle.h"
 #include "sky/engine/wtf/HashSet.h"
 #include "sky/engine/wtf/PassOwnPtr.h"
 #include "sky/engine/wtf/PassRefPtr.h"
 #include "sky/engine/wtf/RefCounted.h"
 #include "sky/engine/wtf/RefPtr.h"
 #include "sky/engine/wtf/Vector.h"
 
 namespace blink {
 
-class Dictionary;
 class ExceptionState;
 class MutationCallback;
 class MutationObserver;
 class MutationObserverRegistration;
 class MutationRecord;
 class Node;
 
 typedef unsigned char MutationObserverOptions;
 typedef unsigned char MutationRecordDeliveryOptions;
 
 typedef HashSet<RefPtr<MutationObserver> > MutationObserverSet;
 typedef HashSet<RawPtr<MutationObserverRegistration> > MutationObserverRegistrationSet;
 typedef Vector<RefPtr<MutationObserver> > MutationObserverVector;
 typedef Vector<RefPtr<MutationRecord> > MutationRecordVector;
 
-class MutationObserver final : public RefCounted<MutationObserver>, public ScriptWrappable {
+class MutationObserver final : public RefCounted<MutationObserver>, public DartWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum MutationType {
         ChildList = 1 << 0,
         Attributes = 1 << 1,
         CharacterData = 1 << 2,
 
         AllMutationTypes = ChildList | Attributes | CharacterData
     };
 
     enum ObservationFlags  {
         Subtree = 1 << 3,
         AttributeFilter = 1 << 4
     };
 
     enum DeliveryFlags {
         AttributeOldValue = 1 << 5,
         CharacterDataOldValue = 1 << 6,
     };
 
     static PassRefPtr<MutationObserver> create(PassOwnPtr<MutationCallback>);
     static void resumeSuspendedObservers();
     static void deliverMutations();
 
     ~MutationObserver();
 
-    void observe(Node*, const Dictionary&, ExceptionState&);
+    void observe(Node*, ExceptionState&);
     Vector<RefPtr<MutationRecord> > takeRecords();
     void disconnect();
     void observationStarted(MutationObserverRegistration*);
     void observationEnded(MutationObserverRegistration*);
     void enqueueMutationRecord(PassRefPtr<MutationRecord>);
     void setHasTransientRegistration();
     bool canDeliver();
 
     HashSet<RawPtr<Node> > getObservedNodes() const;
 
 private:
     struct ObserverLessThan;
 
     explicit MutationObserver(PassOwnPtr<MutationCallback>);
     void deliver();
 
     OwnPtr<MutationCallback> m_callback;
     MutationRecordVector m_records;
     MutationObserverRegistrationSet m_registrations;
     unsigned m_priority;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_