Revert "Oilpan: fix build after r190977 (5831a54)."

Source/core/animation/SampledEffect.cpp

 // 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.
 
 #include "config.h"
 #include "core/animation/SampledEffect.h"
 
 #include "core/animation/StyleInterpolation.h"
 
 namespace blink {
@@ skipping 40 matching lines @@
     for (auto& interpolation : *m_interpolations) {
         if (!replacedProperties.get(toStyleInterpolation(interpolation.get())->id()))
             m_interpolations->at(dest++) = interpolation;
     }
     m_interpolations->shrink(dest);
 }
 
 DEFINE_TRACE(SampledEffect)
 {
     visitor->trace(m_animation);
-    visitor->trace(m_player);
 #if ENABLE(OILPAN)
     visitor->trace(m_interpolations);
 #endif
 }
 
 } // namespace blink