Wrapped PassRefPtrs in move where passed to RefPtr constructor.

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

 // 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.
 
 #ifndef ScrollPaintPropertyNode_h
 #define ScrollPaintPropertyNode_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/scroll/MainThreadScrollingReason.h"
@@ skipping 118 matching lines @@
   String toString() const;
 
  private:
   ScrollPaintPropertyNode(PassRefPtr<const ScrollPaintPropertyNode> parent,
                           IntSize clip,
                           IntSize bounds,
                           bool userScrollableHorizontal,
                           bool userScrollableVertical,
                           MainThreadScrollingReasons mainThreadScrollingReasons,
                           WebLayerScrollClient* scrollClient)
-      : m_parent(parent),
+      : m_parent(std::move(parent)),
         m_clip(clip),
         m_bounds(bounds),
         m_userScrollableHorizontal(userScrollableHorizontal),
         m_userScrollableVertical(userScrollableVertical),
         m_mainThreadScrollingReasons(mainThreadScrollingReasons),
         m_scrollClient(scrollClient) {}
 
   RefPtr<const ScrollPaintPropertyNode> m_parent;
   IntSize m_clip;
   IntSize m_bounds;
   bool m_userScrollableHorizontal : 1;
   bool m_userScrollableVertical : 1;
   MainThreadScrollingReasons m_mainThreadScrollingReasons;
   WebLayerScrollClient* m_scrollClient;
 };
 
 // Redeclared here to avoid ODR issues.
 // See platform/testing/PaintPrinters.h.
 void PrintTo(const ScrollPaintPropertyNode&, std::ostream*);
 
 }  // namespace blink
 
 #endif  // ScrollPaintPropertyNode_h