Oilpan: Fix oilpan builds after r170720

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 "CSSPropertyNames.h"
 #include "core/animation/AnimationEffect.h"
 #include "core/animation/TimedItem.h"
 
 namespace WebCore {
 
 typedef HashSet<CSSPropertyID> PropertySet;
 
 // FIXME: Make Keyframe immutable
 class Keyframe : public RefCountedWillBeGarbageCollectedFinalized<Keyframe> {
 public:
     virtual ~Keyframe() { }
 
     void setOffset(double offset) { m_offset = offset; }
     double offset() const { return m_offset; }
 
     void setComposite(AnimationEffect::CompositeOperation composite) { m_composite = composite; }
     AnimationEffect::CompositeOperation composite() const { return m_composite; }
 
     void setEasing(PassRefPtr<TimingFunction> easing) { m_easing = easing; }
     TimingFunction* easing() const { return m_easing.get(); }
 
-    static bool compareOffsets(const RefPtrWillBeRawPtr<Keyframe>&, const RefPtrWillBeRawPtr<Keyframe>&);
+    static bool compareOffsets(const RefPtrWillBeMember<Keyframe>&, const RefPtrWillBeMember<Keyframe>&);
     virtual PropertySet properties() const = 0;
 
     virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const = 0;
     PassRefPtrWillBeRawPtr<Keyframe> cloneWithOffset(double offset) const
     {
         RefPtrWillBeRawPtr<Keyframe> theClone = clone();
         theClone->setOffset(offset);
         return theClone.release();
     }
 
     virtual bool isAnimatableValueKeyframe() const { return false; }
     virtual bool isStringKeyframe() const { return false; }
 
-    void trace(Visitor*) { }
+    virtual void trace(Visitor*) { }
 
     class PropertySpecificKeyframe : public NoBaseWillBeGarbageCollectedFinalized<PropertySpecificKeyframe> {
     public:
         virtual ~PropertySpecificKeyframe() { }
         double offset() const { return m_offset; }
         TimingFunction* easing() const { return m_easing.get(); }
         AnimationEffect::CompositeOperation composite() const { return m_composite; }
-        virtual PassOwnPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const = 0;
+        virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const = 0;
 
         virtual bool isAnimatableValuePropertySpecificKeyframe() const { return false; }
         virtual bool isStringPropertySpecificKeyframe() const { return false; }
 
-        virtual PassOwnPtr<PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const = 0;
-        virtual PassRefPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end) const = 0;
+        virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const = 0;
+        virtual PassRefPtrWillBeRawPtr<Interpolation> createInterpolation(CSSPropertyID, WebCore::Keyframe::PropertySpecificKeyframe* end) const = 0;
+
+        virtual void trace(Visitor*) = 0;
 
     protected:
         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, AnimationEffect::CompositeOperation);
 
         double m_offset;
         RefPtr<TimingFunction> m_easing;
         AnimationEffect::CompositeOperation m_composite;
     };
 
-    virtual PassOwnPtr<PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const = 0;
-
+    virtual PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const = 0;
 
 protected:
     Keyframe()
         : m_offset(nullValue())
         , m_composite(AnimationEffect::CompositeReplace)
         , m_easing(LinearTimingFunction::preset())
     {
     }
     Keyframe(double offset, AnimationEffect::CompositeOperation composite, PassRefPtr<TimingFunction> easing)
         : m_offset(offset)
         , m_composite(composite)
         , m_easing(easing)
     {
     }
 
     double m_offset;
     AnimationEffect::CompositeOperation m_composite;
     RefPtr<TimingFunction> m_easing;
 };
 
-typedef Keyframe::PropertySpecificKeyframe PropertySpecificKeyframe;
-
 }
 
 #endif