Implement interfaces in PaintInfo and make it a class.

Source/core/rendering/svg/RenderSVGResourceMarker.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 53 matching lines @@
 
 void RenderSVGResourceMarker::removeClientFromCache(RenderObject* client, bool markForInvalidation)
 {
     ASSERT(client);
     markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
 }
 
 void RenderSVGResourceMarker::applyViewportClip(PaintInfo& paintInfo)
 {
     if (SVGRenderSupport::isOverflowHidden(this))
-        paintInfo.context->clip(m_viewport);
+        paintInfo.getContext()->clip(m_viewport);
 }
 
 FloatRect RenderSVGResourceMarker::markerBoundaries(const AffineTransform& markerTransformation) const
 {
     FloatRect coordinates = RenderSVGContainer::repaintRectInLocalCoordinates();
 
     // Map repaint rect into parent coordinate space, in which the marker boundaries have to be evaluated
     coordinates = localToParentTransform().mapRect(coordinates);
 
     return markerTransformation.mapRect(coordinates);
@@ skipping 45 matching lines @@
 
 void RenderSVGResourceMarker::draw(PaintInfo& paintInfo, const AffineTransform& transform)
 {
     // An empty viewBox disables rendering.
     SVGMarkerElement* marker = toSVGMarkerElement(toSVGElement(node()));
     ASSERT(marker);
     if (marker->hasAttribute(SVGNames::viewBoxAttr) && marker->viewBoxIsValid() && marker->viewBoxCurrentValue().isEmpty())
         return;
 
     PaintInfo info(paintInfo);
-    GraphicsContextStateSaver stateSaver(*info.context);
+    GraphicsContextStateSaver stateSaver(*(info.getContext()));
     info.applyTransform(transform);
     RenderSVGContainer::paint(info, IntPoint());
 }
 
 AffineTransform RenderSVGResourceMarker::markerContentTransformation(const AffineTransform& contentTransformation, const FloatPoint& origin, float strokeWidth) const
 {
     // The 'origin' coordinate maps to SVGs refX/refY, given in coordinates relative to the viewport established by the marker
     FloatPoint mappedOrigin = viewportTransform().mapPoint(origin);
 
     AffineTransform transformation = contentTransformation;
@@ skipping 20 matching lines @@
     SVGMarkerElement* marker = toSVGMarkerElement(node());
     ASSERT(marker);
 
     SVGLengthContext lengthContext(marker);
     float w = marker->markerWidthCurrentValue().value(lengthContext);
     float h = marker->markerHeightCurrentValue().value(lengthContext);
     m_viewport = FloatRect(0, 0, w, h);
 }
 
 }