Revert "Remove OwnPtr from Blink."

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 13 matching lines @@
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/layout/svg/SVGResources.h"
 #include "core/paint/SVGPaintContext.h"
 #include "core/paint/TransformRecorder.h"
 #include "core/svg/SVGFitToViewBox.h"
 #include "core/svg/SVGPatternElement.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/graphics/paint/SkPictureBuilder.h"
 #include "third_party/skia/include/core/SkPicture.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
 struct PatternData {
     USING_FAST_MALLOC(PatternData);
 public:
     RefPtr<Pattern> pattern;
     AffineTransform transform;
 };
 
@@ skipping 24 matching lines @@
 
     // FIXME: the double hash lookup is needed to guard against paint-time invalidation
     // (painting animated images may trigger layout invals which delete our map entry).
     // Hopefully that will be addressed at some point, and then we can optimize the lookup.
     if (PatternData* currentData = m_patternMap.get(&object))
         return currentData;
 
     return m_patternMap.set(&object, buildPatternData(object)).storedValue->value.get();
 }
 
-std::unique_ptr<PatternData> LayoutSVGResourcePattern::buildPatternData(const LayoutObject& object)
+PassOwnPtr<PatternData> LayoutSVGResourcePattern::buildPatternData(const LayoutObject& object)
 {
     // If we couldn't determine the pattern content element root, stop here.
     const PatternAttributes& attributes = this->attributes();
     if (!attributes.patternContentElement())
         return nullptr;
 
     // An empty viewBox disables layout.
     if (attributes.hasViewBox() && attributes.viewBox().isEmpty())
         return nullptr;
 
@@ skipping 11 matching lines @@
         if (attributes.viewBox().isEmpty())
             return nullptr;
         tileTransform = SVGFitToViewBox::viewBoxToViewTransform(attributes.viewBox(),
             attributes.preserveAspectRatio(), tileBounds.width(), tileBounds.height());
     } else {
         // A viewbox overrides patternContentUnits, per spec.
         if (attributes.patternContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
             tileTransform.scale(clientBoundingBox.width(), clientBoundingBox.height());
     }
 
-    std::unique_ptr<PatternData> patternData = wrapUnique(new PatternData);
+    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;
 }
 
 SVGPaintServer LayoutSVGResourcePattern::preparePaintServer(const LayoutObject& object)
@@ skipping 70 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