Move RarePaintData to its own file

third_party/WebKit/Source/core/paint/ObjectPaintProperties.h

 // Copyright 2015 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 ObjectPaintProperties_h
 #define ObjectPaintProperties_h
 
 #include "core/CoreExport.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/graphics/paint/ClipPaintPropertyNode.h"
@@ skipping 281 matching lines @@
   template <typename PaintPropertyNode, typename... Args>
   bool update(RefPtr<PaintPropertyNode>& field, Args&&... args) {
     if (field) {
       field->update(std::forward<Args>(args)...);
       return false;
     }
     field = PaintPropertyNode::create(std::forward<Args>(args)...);
     return true;
   }
 
-  void updateContentsProperties() const;
-
   // ATTENTION! Make sure to keep FindPropertiesNeedingUpdate.h in sync when
   // new properites are added!
   RefPtr<TransformPaintPropertyNode> m_paintOffsetTranslation;
   RefPtr<TransformPaintPropertyNode> m_transform;
   RefPtr<EffectPaintPropertyNode> m_effect;
   RefPtr<EffectPaintPropertyNode> m_filter;
   RefPtr<EffectPaintPropertyNode> m_mask;
   RefPtr<ClipPaintPropertyNode> m_maskClip;
   RefPtr<ClipPaintPropertyNode> m_cssClip;
   RefPtr<ClipPaintPropertyNode> m_cssClipFixedPosition;
   RefPtr<ClipPaintPropertyNode> m_innerBorderRadiusClip;
   RefPtr<ClipPaintPropertyNode> m_overflowClip;
   RefPtr<TransformPaintPropertyNode> m_perspective;
   // TODO(pdr): Only LayoutSVGRoot needs this and it should be moved there.
   RefPtr<TransformPaintPropertyNode> m_svgLocalToBorderBoxTransform;
   RefPtr<TransformPaintPropertyNode> m_scrollTranslation;
   RefPtr<TransformPaintPropertyNode> m_scrollbarPaintOffset;
 };
 
 }  // namespace blink
 
 #endif  // ObjectPaintProperties_h