Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/events/EventTarget.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ skipping 19 matching lines @@
  */
 
 #ifndef SKY_ENGINE_CORE_EVENTS_EVENTTARGET_H_
 #define SKY_ENGINE_CORE_EVENTS_EVENTTARGET_H_
 
 #include "gen/sky/core/EventInterfaces.h"
 #include "gen/sky/core/EventNames.h"
 #include "gen/sky/core/EventTargetInterfaces.h"
 #include "gen/sky/core/EventTargetNames.h"
 #include "gen/sky/core/EventTypeNames.h"
-#include "sky/engine/bindings/core/v8/ScriptWrappable.h"
+#include "sky/engine/tonic/dart_wrappable.h"
 #include "sky/engine/core/events/EventListenerMap.h"
 #include "sky/engine/platform/heap/Handle.h"
 #include "sky/engine/wtf/text/AtomicString.h"
 
 namespace blink {
 
 class LocalDOMWindow;
 class Event;
 class ExceptionState;
 class Node;
@@ skipping 31 matching lines @@
 // - In your class declaration, you will typically use
 //   REFCOUNTED_EVENT_TARGET(YourClassName).
 // - Override EventTarget::interfaceName() and executionContext(). The former
 //   will typically return EventTargetNames::YourClassName. The latter will
 //   return ActiveDOMObject::executionContext (if you are an ActiveDOMObject)
 //   or the document you're in.
 // - Your trace() method will need to call EventTargetWithInlineData::trace.
 //
 // Optionally, add a FooEvent.idl class, but that's outside the scope of this
 // comment (and much more straightforward).
-class EventTarget : public ScriptWrappable {
+class EventTarget : public DartWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
 #if !ENABLE(OILPAN)
     void ref() { refEventTarget(); }
     void deref() { derefEventTarget(); }
 #endif
 
+    void AcceptDartGCVisitor(DartGCVisitor& visitor) const override;
+
     virtual const AtomicString& interfaceName() const = 0;
     virtual ExecutionContext* executionContext() const = 0;
 
     virtual Node* toNode();
     virtual LocalDOMWindow* toDOMWindow();
 
     // FIXME: first 2 args to addEventListener and removeEventListener should
     // be required (per spec), but throwing TypeError breaks legacy content.
     // http://crbug.com/353484
     bool addEventListener() { return false; }
@@ skipping 90 matching lines @@
     typedef int thisIsHereToForceASemiColonAfterThisEventTargetMacro
 #define DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(baseClass) DEFINE_EVENT_TARGET_REFCOUNTING(baseClass)
 #endif
 
 // Use this macro if your EventTarget subclass is also a subclass of WTF::RefCounted.
 // A ref-counted class that uses a different method of refcounting should use DEFINE_EVENT_TARGET_REFCOUNTING directly.
 // Both of these macros are meant to be placed just before the "public:" section of the class declaration.
 #define REFCOUNTED_EVENT_TARGET(className) DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCounted<className>)
 
 #endif  // SKY_ENGINE_CORE_EVENTS_EVENTTARGET_H_