Wrapped PassRefPtrs in move where passed to RefPtr constructor.

third_party/WebKit/Source/platform/graphics/paint/TransformPaintPropertyNode.h

 // Copyright 2015 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.
 
 #ifndef TransformPaintPropertyNode_h
 #define TransformPaintPropertyNode_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/graphics/CompositingReasons.h"
@@ skipping 181 matching lines @@
  private:
   TransformPaintPropertyNode(
       PassRefPtr<const TransformPaintPropertyNode> parent,
       const TransformationMatrix& matrix,
       const FloatPoint3D& origin,
       bool flattensInheritedTransform,
       unsigned renderingContextId,
       CompositingReasons directCompositingReasons,
       CompositorElementId compositorElementId,
       PassRefPtr<ScrollPaintPropertyNode> scroll = nullptr)
-      : m_parent(parent),
+      : m_parent(std::move(parent)),
         m_matrix(matrix),
         m_origin(origin),
         m_flattensInheritedTransform(flattensInheritedTransform),
         m_renderingContextId(renderingContextId),
         m_directCompositingReasons(directCompositingReasons),
         m_compositorElementId(compositorElementId),
-        m_scroll(scroll) {}
+        m_scroll(std::move(scroll)) {}
 
   // For access to getTransformCache() and setCachedTransform.
   friend class GeometryMapper;
   friend class GeometryMapperTest;
 
   GeometryMapperTransformCache& getTransformCache() const {
     return const_cast<TransformPaintPropertyNode*>(this)->getTransformCache();
   }
 
   GeometryMapperTransformCache& getTransformCache() {
@@ skipping 14 matching lines @@
   std::unique_ptr<GeometryMapperTransformCache> m_geometryMapperTransformCache;
 };
 
 // Redeclared here to avoid ODR issues.
 // See platform/testing/PaintPrinters.h.
 void PrintTo(const TransformPaintPropertyNode&, std::ostream*);
 
 }  // namespace blink
 
 #endif  // TransformPaintPropertyNode_h