More const LayoutObject references in SVGLayoutSupport

third_party/WebKit/Source/core/layout/svg/SVGLayoutSupport.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.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
@@ skipping 350 matching lines @@
     if (LayoutSVGResourceMasker* masker = resources->masker())
         paintInvalidationRect.intersect(masker->resourceBoundingBox(layoutObject));
 }
 
 bool SVGLayoutSupport::hasFilterResource(const LayoutObject& object)
 {
     SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(&object);
     return resources && resources->filter();
 }
 
-bool SVGLayoutSupport::pointInClippingArea(const LayoutObject* object, const FloatPoint& point)
+bool SVGLayoutSupport::pointInClippingArea(const LayoutObject& object, const FloatPoint& point)
 {
-    ASSERT(object);
-
     // We just take clippers into account to determine if a point is on the node. The Specification may
     // change later and we also need to check maskers.
-    SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(object);
+    SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(&object);
     if (!resources)
         return true;
 
     if (LayoutSVGResourceClipper* clipper = resources->clipper())
-        return clipper->hitTestClipContent(object->objectBoundingBox(), point);
+        return clipper->hitTestClipContent(object.objectBoundingBox(), point);
 
     return true;
 }
 
-bool SVGLayoutSupport::transformToUserSpaceAndCheckClipping(const LayoutObject* object, const AffineTransform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoint)
+bool SVGLayoutSupport::transformToUserSpaceAndCheckClipping(const LayoutObject& object, const AffineTransform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoint)
 {
     if (!localTransform.isInvertible())
         return false;
     localPoint = localTransform.inverse().mapPoint(pointInParent);
     return pointInClippingArea(object, localPoint);
 }
 
 DashArray SVGLayoutSupport::resolveSVGDashArray(const SVGDashArray& svgDashArray, const ComputedStyle& style, const SVGLengthContext& lengthContext)
 {
     DashArray dashArray;
@@ skipping 178 matching lines @@
 
     return closestText;
 }
 
 LayoutObject* SVGLayoutSupport::findClosestLayoutSVGText(LayoutObject* layoutObject, const FloatPoint& point)
 {
     return searchTreeForFindClosestLayoutSVGText(layoutObject, point).candidateLayoutObject;
 }
 
 } // namespace blink