Remove OwnPtr::release() calls in core/ (part 3).

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

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright 2014 The Chromium Authors. 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 96 matching lines @@
             tileTransform.scale(clientBoundingBox.width(), clientBoundingBox.height());
     }
 
     OwnPtr<PatternData> patternData = adoptPtr(new PatternData);
     patternData->pattern = Pattern::createPicturePattern(asPicture(tileBounds, tileTransform));
 
     // Compute pattern space transformation.
     patternData->transform.translate(tileBounds.x(), tileBounds.y());
     patternData->transform.preMultiply(attributes.patternTransform());
 
-    return patternData.release();
+    return patternData;
 }
 
 SVGPaintServer LayoutSVGResourcePattern::preparePaintServer(const LayoutObject& object)
 {
     clearInvalidationMask();
 
     SVGPatternElement* patternElement = toSVGPatternElement(element());
     if (!patternElement)
         return SVGPaintServer::invalid();
 
@@ skipping 65 matching lines @@
     {
         TransformRecorder transformRecorder(pictureBuilder.context(), *patternLayoutObject, tileTransform);
         for (LayoutObject* child = patternLayoutObject->firstChild(); child; child = child->nextSibling())
             SVGPaintContext::paintSubtree(pictureBuilder.context(), child);
     }
 
     return pictureBuilder.endRecording();
 }
 
 } // namespace blink