Oilpan: Fix oilpan builds after r170720

Source/core/animation/css/CSSAnimations.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 420 matching lines @@
             RefPtr<Animation> oldAnimation = oldTransition.first;
             double oldStartTime = oldTransition.second;
             double inheritedTime = isNull(oldStartTime) ? 0 : element->document().transitionTimeline().currentTime() - oldStartTime;
             oldAnimation->updateInheritedTime(inheritedTime);
             AnimatableValueKeyframeEffectModel* oldEffect = toAnimatableValueKeyframeEffectModel(inertAnimation->effect());
             const KeyframeVector& frames = oldEffect->getFrames();
             AnimatableValueKeyframeVector newFrames;
             newFrames.append(toAnimatableValueKeyframe(frames[0]->clone().get()));
             newFrames[0]->clearPropertyValue(id);
             ASSERT(oldAnimation->activeInterpolations().size() == 1);
-            RefPtr<AnimatableValue> value = toLegacyStyleInterpolation(oldAnimation->activeInterpolations()[0].get())->currentValue();
+            RefPtrWillBeRawPtr<AnimatableValue> value = toLegacyStyleInterpolation(oldAnimation->activeInterpolations()[0].get())->currentValue();
             newFrames[0]->setPropertyValue(id, value.release());
             newFrames.append(toAnimatableValueKeyframe(frames[1]->clone().get()));
             effect = AnimatableValueKeyframeEffectModel::create(newFrames);
         }
         RefPtr<Animation> transition = Animation::create(element, effect, inertAnimation->specifiedTiming(), Animation::TransitionPriority, eventDelegate.release());
         RefPtr<AnimationPlayer> player = element->document().transitionTimeline().createAnimationPlayer(transition.get());
         player->update();
         element->document().cssPendingAnimations().add(player.get());
         runningTransition.transition = transition.get();
         m_transitions.set(id, runningTransition);
@@ skipping 389 matching lines @@
 }
 
 void CSSAnimationUpdate::trace(Visitor* visitor)
 {
     visitor->trace(m_newTransitions);
     visitor->trace(m_activeInterpolationsForAnimations);
     visitor->trace(m_activeInterpolationsForTransitions);
 }
 
 } // namespace WebCore