Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLTrackElement.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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 18 matching lines @@
 #include "core/html/HTMLElement.h"
 #include "core/html/track/LoadableTextTrack.h"
 #include "core/html/track/TextTrack.h"
 
 namespace WebCore {
 
 class HTMLMediaElement;
 
 class HTMLTrackElement FINAL : public HTMLElement, public TextTrackClient {
 public:
-    static PassRefPtr<HTMLTrackElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<HTMLTrackElement> create(const QualifiedName&, Document&);
 
     KURL src() const;
     void setSrc(const String&);
 
     String kind();
     void setKind(const String&);
 
     String srclang() const;
     void setSrclang(const String&);
 
@@ skipping 10 matching lines @@
     TextTrack* track();
 
     void scheduleLoad();
 
     enum LoadStatus { Failure, Success };
     virtual void didCompleteLoad(LoadableTextTrack*, LoadStatus);
 
     const AtomicString& mediaElementCrossOriginAttribute() const;
 
 private:
-    HTMLTrackElement(const QualifiedName&, Document*);
+    HTMLTrackElement(const QualifiedName&, Document&);
     virtual ~HTMLTrackElement();
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
 
     virtual void removedFrom(ContainerNode*) OVERRIDE;
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
 
     void loadTimerFired(Timer<HTMLTrackElement>*);
@@ skipping 11 matching lines @@
     LoadableTextTrack* ensureTrack();
     virtual bool canLoadUrl(const KURL&);
 
     RefPtr<LoadableTextTrack> m_track;
     Timer<HTMLTrackElement> m_loadTimer;
 };
 
 }
 
 #endif