Remove OwnPtr::release() calls in platform/ (part 2).

third_party/WebKit/Source/platform/testing/TestPaintArtifact.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/testing/TestPaintArtifact.h"
 
 #include "cc/layers/layer.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/graphics/paint/ForeignLayerDisplayItem.h"
@@ skipping 59 matching lines @@
     chunk.properties = properties;
     m_paintChunks.append(chunk);
     return *this;
 }
 
 TestPaintArtifact& TestPaintArtifact::rectDrawing(const FloatRect& bounds, Color color)
 {
     OwnPtr<DummyRectClient> client = adoptPtr(new DummyRectClient(bounds, color));
     m_displayItemList.allocateAndConstruct<DrawingDisplayItem>(
         *client, DisplayItem::DrawingFirst, client->makePicture());
-    m_dummyClients.append(client.release());
+    m_dummyClients.append(std::move(client));
     return *this;
 }
 
 TestPaintArtifact& TestPaintArtifact::foreignLayer(const FloatPoint& location, const IntSize& size, scoped_refptr<cc::Layer> layer)
 {
     FloatRect floatBounds(location, FloatSize(size));
     OwnPtr<DummyRectClient> client = adoptPtr(new DummyRectClient(floatBounds, Color::transparent));
     m_displayItemList.allocateAndConstruct<ForeignLayerDisplayItem>(
         *client, DisplayItem::ForeignLayerFirst, std::move(layer), location, size);
-    m_dummyClients.append(client.release());
+    m_dummyClients.append(std::move(client));
     return *this;
 }
 
 const PaintArtifact& TestPaintArtifact::build()
 {
     if (m_built)
         return m_paintArtifact;
 
     if (!m_paintChunks.isEmpty())
         m_paintChunks.last().endIndex = m_displayItemList.size();
     m_paintArtifact = PaintArtifact(std::move(m_displayItemList), std::move(m_paintChunks));
     m_built = true;
     return m_paintArtifact;
 }
 
 } // namespace blink