Use PathSegmentData+SVGPath{Consumer,Source} in PathSVGInterpolation

third_party/WebKit/Source/core/svg/SVGPathSegList.h

 /*
  * Copyright (C) 2014 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 42 matching lines @@
         return adoptRefWillBeNoop(new SVGPathSegList(contextElement));
     }
     static PassRefPtrWillBeRawPtr<SVGPathSegList> create()
     {
         ASSERT_NOT_REACHED();
         return nullptr;
     }
 
     ~SVGPathSegList() override;
 
-    const SVGPathByteStream* byteStream() const;
+    const SVGPathByteStream& byteStream() const;
+    SVGPathByteStream& mutableByteStream();
     void clearByteStream() { m_byteStream.clear(); }
 
     // SVGListPropertyHelper methods with |m_byteStream| sync:
 
     ItemPropertyType* at(size_t index)
     {
         updateListFromByteStream();
         return Base::at(index);
     }
 
@@ skipping 66 matching lines @@
     void setValueAsString(const String&, ExceptionState&);
 
     void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
     void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
     float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
 
     static AnimatedPropertyType classType() { return AnimatedPath; }
 
     DECLARE_VIRTUAL_TRACE();
 
+    void invalidateList();
+
 private:
     explicit SVGPathSegList(SVGPathElement*);
     SVGPathSegList(SVGPathElement*, PassOwnPtr<SVGPathByteStream>);
 
     friend class SVGPathSegListBuilder;
     // This is only to be called from SVGPathSegListBuilder.
     void appendWithoutByteStreamSync(PassRefPtrWillBeRawPtr<ItemPropertyType> passNewItem)
     {
         Base::append(passNewItem);
     }
 
     void updateListFromByteStream();
-    void invalidateList();
 
     // FIXME: This pointer should be removed after SVGPathSeg has a tear-off.
     //
     // SVGPathSegList is either owned by SVGAnimatedPath or SVGPathSegListTearOff.
     // Both keep |contextElement| alive, so this ptr is always valid.
     GC_PLUGIN_IGNORE("528275")
     SVGPathElement* m_contextElement;
 
     mutable OwnPtr<SVGPathByteStream> m_byteStream;
     bool m_listSyncedToByteStream;
 };
 
 inline PassRefPtrWillBeRawPtr<SVGPathSegList> toSVGPathSegList(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
 {
     RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
     ASSERT(base->type() == SVGPathSegList::classType());
     return static_pointer_cast<SVGPathSegList>(base.release());
 }
 
 } // namespace blink
 
 #endif