Wrapped PassRefPtrs in move where passed to RefPtr constructor.

third_party/WebKit/Source/core/animation/Keyframe.h

 // Copyright 2014 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 Keyframe_h
 #define Keyframe_h
 
 #include "core/CoreExport.h"
 #include "core/animation/AnimationEffectReadOnly.h"
 #include "core/animation/EffectModel.h"
@@ skipping 106 matching lines @@
       const PropertyHandle&) const = 0;
 
  protected:
   Keyframe()
       : m_offset(nullValue()),
         m_composite(EffectModel::CompositeReplace),
         m_easing(LinearTimingFunction::shared()) {}
   Keyframe(double offset,
            EffectModel::CompositeOperation composite,
            PassRefPtr<TimingFunction> easing)
-      : m_offset(offset), m_composite(composite), m_easing(easing) {}
+      : m_offset(offset), m_composite(composite), m_easing(std::move(easing)) {}
 
   double m_offset;
   EffectModel::CompositeOperation m_composite;
   RefPtr<TimingFunction> m_easing;
 };
 
 using PropertySpecificKeyframe = Keyframe::PropertySpecificKeyframe;
 
 }  // namespace blink
 
 #endif  // Keyframe_h