Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/shadow/MediaControlsChromium.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 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
@@ skipping 16 matching lines @@
 #ifndef MediaControlsChromium_h
 #define MediaControlsChromium_h
 
 #include "core/html/shadow/MediaControls.h"
 
 namespace WebCore {
 
 class MediaControlsChromium : public MediaControls {
 public:
     // Called from port-specific parent create function to create custom controls.
-    static PassRefPtr<MediaControlsChromium> createControls(Document*);
+    static PassRefPtr<MediaControlsChromium> createControls(Document&);
 
     virtual void setMediaController(MediaControllerInterface*) OVERRIDE;
 
     virtual void reset() OVERRIDE;
 
     virtual void playbackStarted() OVERRIDE;
 
     void changedMute() OVERRIDE;
 
     virtual void updateCurrentTimeDisplay() OVERRIDE;
 
     void createTextTrackDisplay() OVERRIDE;
 
     virtual void insertTextTrackContainer(PassRefPtr<MediaControlTextTrackContainerElement>);
 
 protected:
-    explicit MediaControlsChromium(Document*);
+    explicit MediaControlsChromium(Document&);
 
-    bool initializeControls(Document*);
+    bool initializeControls(Document&);
 
 private:
     MediaControlTimeRemainingDisplayElement* m_durationDisplay;
     MediaControlPanelEnclosureElement* m_enclosure;
 };
 
 }
 
 #endif