Change (Pass)RefPtr<SkXxx> into sk_sp<SkXxx>.

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

 /*
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 22 matching lines @@
     : LayoutSVGResourceContainer(node)
 {
 }
 
 LayoutSVGResourceMasker::~LayoutSVGResourceMasker()
 {
 }
 
 void LayoutSVGResourceMasker::removeAllClientsFromCache(bool markForInvalidation)
 {
-    m_maskContentPicture.clear();
+    m_maskContentPicture.reset();
     m_maskContentBoundaries = FloatRect();
     markAllClientsForInvalidation(markForInvalidation ? LayoutAndBoundariesInvalidation : ParentOnlyInvalidation);
 }
 
 void LayoutSVGResourceMasker::removeClientFromCache(LayoutObject* client, bool markForInvalidation)
 {
     ASSERT(client);
     markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
 }
 
-PassRefPtr<const SkPicture> LayoutSVGResourceMasker::createContentPicture(AffineTransform& contentTransformation, const FloatRect& targetBoundingBox,
+sk_sp<const SkPicture> LayoutSVGResourceMasker::createContentPicture(AffineTransform& contentTransformation, const FloatRect& targetBoundingBox,
     GraphicsContext& context)
 {
     SVGUnitTypes::SVGUnitType contentUnits = toSVGMaskElement(element())->maskContentUnits()->currentValue()->enumValue();
     if (contentUnits == SVGUnitTypes::kSvgUnitTypeObjectboundingbox) {
         contentTransformation.translate(targetBoundingBox.x(), targetBoundingBox.y());
         contentTransformation.scaleNonUniform(targetBoundingBox.width(), targetBoundingBox.height());
     }
 
     if (m_maskContentPicture)
         return m_maskContentPicture;
@@ skipping 60 matching lines @@
         transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
         transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
         maskRect = transform.mapRect(maskRect);
     }
 
     maskRect.intersect(maskBoundaries);
     return maskRect;
 }
 
 } // namespace blink