Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLCanvasElement.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. 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.
@@ skipping 48 matching lines @@
 static const int DefaultHeight = 150;
 
 // Firefox limits width/height to 32767 pixels, but slows down dramatically before it
 // reaches that limit. We limit by area instead, giving us larger maximum dimensions,
 // in exchange for a smaller maximum canvas size.
 static const float MaxCanvasArea = 32768 * 8192; // Maximum canvas area in CSS pixels
 
 //In Skia, we will also limit width/height to 32767.
 static const float MaxSkiaDim = 32767.0F; // Maximum width/height in CSS pixels.
 
-HTMLCanvasElement::HTMLCanvasElement(const QualifiedName& tagName, Document* document)
+HTMLCanvasElement::HTMLCanvasElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
     , m_size(DefaultWidth, DefaultHeight)
     , m_rendererIsCanvas(false)
     , m_ignoreReset(false)
     , m_deviceScaleFactor(1)
     , m_originClean(true)
     , m_hasCreatedImageBuffer(false)
     , m_didClearImageBuffer(false)
     , m_accelerationDisabled(false)
     , m_externallyAllocatedMemory(0)
 {
     ASSERT(hasTagName(canvasTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLCanvasElement> HTMLCanvasElement::create(Document* document)
+PassRefPtr<HTMLCanvasElement> HTMLCanvasElement::create(Document& document)
 {
     return adoptRef(new HTMLCanvasElement(canvasTag, document));
 }
 
-PassRefPtr<HTMLCanvasElement> HTMLCanvasElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLCanvasElement> HTMLCanvasElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new HTMLCanvasElement(tagName, document));
 }
 
 HTMLCanvasElement::~HTMLCanvasElement()
 {
     setExternallyAllocatedMemory(0);
     HashSet<CanvasObserver*>::iterator end = m_observers.end();
     for (HashSet<CanvasObserver*>::iterator it = m_observers.begin(); it != end; ++it)
         (*it)->canvasDestroyed(this);
@@ skipping 478 matching lines @@
     FloatSize unscaledSize = size();
     FloatSize deviceSize = convertLogicalToDevice(unscaledSize);
     IntSize size(deviceSize.width(), deviceSize.height());
     AffineTransform transform;
     if (size.width() && size.height())
         transform.scaleNonUniform(size.width() / unscaledSize.width(), size.height() / unscaledSize.height());
     return m_imageBuffer->baseTransform() * transform;
 }
 
 }