Implement Custom Elements' entered and left document callbacks.

Source/bindings/v8/V8CustomElementLifecycleCallbacks.h

 /*
  * Copyright (C) 2013 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 26 matching lines @@
 #include "core/dom/CustomElementLifecycleCallbacks.h"
 #include <v8.h>
 
 namespace WebCore {
 
 class Element;
 class ScriptExecutionContext;
 
 class V8CustomElementLifecycleCallbacks : public CustomElementLifecycleCallbacks, ActiveDOMCallback {
 public:
-    static PassRefPtr<V8CustomElementLifecycleCallbacks> create(ScriptExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attributeChanged);
+    static PassRefPtr<V8CustomElementLifecycleCallbacks> create(ScriptExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredDocument, v8::Handle<v8::Function> leftDocument, v8::Handle<v8::Function> attributeChanged);
 
     virtual ~V8CustomElementLifecycleCallbacks() { }
 
 private:
-    V8CustomElementLifecycleCallbacks(ScriptExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attributeChanged);
+    V8CustomElementLifecycleCallbacks(ScriptExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredDocument, v8::Handle<v8::Function> leftDocument, v8::Handle<v8::Function> attributeChanged);
 
     virtual void created(Element*) OVERRIDE;
+    virtual void enteredDocument(Element*) OVERRIDE;
+    virtual void leftDocument(Element*) OVERRIDE;
     virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) OVERRIDE;
 
+    void call(const ScopedPersistent<v8::Function>& weakCallback, Element*);
+
     RefPtr<DOMWrapperWorld> m_world;
     ScopedPersistent<v8::Object> m_prototype;
     ScopedPersistent<v8::Function> m_created;
+    ScopedPersistent<v8::Function> m_enteredDocument;
+    ScopedPersistent<v8::Function> m_leftDocument;
     ScopedPersistent<v8::Function> m_attributeChanged;
 };
 
 }
 
 #endif // V8CustomElementLifecycleCallbacks_h