Change static_cast<SVGImageElement*> with toSVGImageElement.

Source/core/rendering/svg/RenderSVGImage.cpp

 /*
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 39 matching lines @@
 }
 
 RenderSVGImage::~RenderSVGImage()
 {
     ImageQualityController::remove(this);
     m_imageResource->shutdown();
 }
 
 bool RenderSVGImage::updateImageViewport()
 {
-    SVGImageElement* image = static_cast<SVGImageElement*>(node());
+    SVGImageElement* image = toSVGImageElement(node());
     FloatRect oldBoundaries = m_objectBoundingBox;
     bool updatedViewport = false;
 
     SVGLengthContext lengthContext(image);
     m_objectBoundingBox = FloatRect(image->x().value(lengthContext), image->y().value(lengthContext), image->width().value(lengthContext), image->height().value(lengthContext));
 
     // Images with preserveAspectRatio=none should force non-uniform scaling. This can be achieved
     // by setting the image's container size to its intrinsic size.
     // See: http://www.w3.org/TR/SVG/single-page.html, 7.8 The ‘preserveAspectRatio’ attribute.
     if (image->preserveAspectRatio().align() == SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE) {
@@ skipping 19 matching lines @@
 void RenderSVGImage::layout()
 {
     StackStats::LayoutCheckPoint layoutCheckPoint;
     ASSERT(needsLayout());
 
     LayoutRepainter repainter(*this, SVGRenderSupport::checkForSVGRepaintDuringLayout(this) && selfNeedsLayout());
     updateImageViewport();
 
     bool transformOrBoundariesUpdate = m_needsTransformUpdate || m_needsBoundariesUpdate;
     if (m_needsTransformUpdate) {
-        m_localTransform = static_cast<SVGImageElement*>(node())->animatedLocalTransform();
+        m_localTransform = toSVGImageElement(node())->animatedLocalTransform();
         m_needsTransformUpdate = false;
     }
 
     if (m_needsBoundariesUpdate) {
         m_repaintBoundingBoxExcludingShadow = m_objectBoundingBox;
         SVGRenderSupport::intersectRepaintRectWithResources(this, m_repaintBoundingBoxExcludingShadow);
 
         m_repaintBoundingBox = m_repaintBoundingBoxExcludingShadow;
         SVGRenderSupport::intersectRepaintRectWithShadows(this, m_repaintBoundingBox);
 
@@ skipping 44 matching lines @@
             paintOutline(childPaintInfo, IntRect(boundingBox));
     }
 }
 
 void RenderSVGImage::paintForeground(PaintInfo& paintInfo)
 {
     RefPtr<Image> image = m_imageResource->image();
     FloatRect destRect = m_objectBoundingBox;
     FloatRect srcRect(0, 0, image->width(), image->height());
 
-    SVGImageElement* imageElement = static_cast<SVGImageElement*>(node());
+    SVGImageElement* imageElement = toSVGImageElement(node());
     imageElement->preserveAspectRatio().transformRect(destRect, srcRect);
 
     bool useLowQualityScaling = false;
     if (style()->svgStyle()->bufferedRendering() != BR_STATIC)
         useLowQualityScaling = ImageQualityController::imageQualityController()->shouldPaintAtLowQuality(paintInfo.context, this, image.get(), image.get(), LayoutSize(destRect.size()));
 
     paintInfo.context->drawImage(image.get(), destRect, srcRect, CompositeSourceOver, DoNotRespectImageOrientation, useLowQualityScaling);
 }
 
 void RenderSVGImage::invalidateBufferedForeground()
@@ skipping 48 matching lines @@
 
 void RenderSVGImage::addFocusRingRects(Vector<IntRect>& rects, const LayoutPoint&, const RenderLayerModelObject*)
 {
     // this is called from paint() after the localTransform has already been applied
     IntRect contentRect = enclosingIntRect(repaintRectInLocalCoordinates());
     if (!contentRect.isEmpty())
         rects.append(contentRect);
 }
 
 } // namespace WebCore