Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/shadow/SliderThumbElement.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 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.
@@ skipping 177 matching lines @@
         // correctly repaint media controls (volume and timeline sliders) -
         // they have special painting code in RenderMediaControls.cpp:paintMediaVolumeSlider
         // and paintMediaSlider that gets called via -webkit-appearance and RenderTheme,
         // so nothing else would otherwise invalidate the slider.
         repaint();
     }
 }
 
 // --------------------------------
 
-inline SliderThumbElement::SliderThumbElement(Document* document)
+inline SliderThumbElement::SliderThumbElement(Document& document)
     : HTMLDivElement(HTMLNames::divTag, document)
     , m_inDragMode(false)
 {
 }
 
-PassRefPtr<SliderThumbElement> SliderThumbElement::create(Document* document)
+PassRefPtr<SliderThumbElement> SliderThumbElement::create(Document& document)
 {
     RefPtr<SliderThumbElement> element = adoptRef(new SliderThumbElement(document));
     element->setAttribute(idAttr, ShadowElementNames::sliderThumb());
     return element.release();
 }
 
 void SliderThumbElement::setPositionFromValue()
 {
     // Since the code to calculate position is in the RenderSliderThumb layout
     // path, we don't actually update the value here. Instead, we poke at the
@@ skipping 213 matching lines @@
     case MediaFullScreenVolumeSliderPart:
     case MediaFullScreenVolumeSliderThumbPart:
         return mediaSliderThumbShadowPartId();
     default:
         return sliderThumbShadowPartId();
     }
 }
 
 // --------------------------------
 
-inline SliderContainerElement::SliderContainerElement(Document* document)
+inline SliderContainerElement::SliderContainerElement(Document& document)
     : HTMLDivElement(HTMLNames::divTag, document)
 {
 }
 
-PassRefPtr<SliderContainerElement> SliderContainerElement::create(Document* document)
+PassRefPtr<SliderContainerElement> SliderContainerElement::create(Document& document)
 {
     return adoptRef(new SliderContainerElement(document));
 }
 
 RenderObject* SliderContainerElement::createRenderer(RenderStyle*)
 {
     return new RenderSliderContainer(this);
 }
 
 const AtomicString& SliderContainerElement::part() const
@@ skipping 12 matching lines @@
     case MediaVolumeSliderThumbPart:
     case MediaFullScreenVolumeSliderPart:
     case MediaFullScreenVolumeSliderThumbPart:
         return mediaSliderContainer;
     default:
         return sliderContainer;
     }
 }
 
 }