WIP: Construct SPV2's scroll paint property tree

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

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.h
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.h b/third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.h
index 7be0fedfd69935b48a6f25ffbd47ad8c28b19cc0..341efbe7861538e8384684ae866e0256581e747c 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.h
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.h
@@ -16,6 +16,7 @@ class ClipPaintPropertyNode;
 class FrameView;
 class EffectPaintPropertyNode;
 class TransformPaintPropertyNode;
+class ScrollPaintPropertyNode;
 
 } // namespace blink
 
@@ -23,9 +24,11 @@ class TransformPaintPropertyNode;
 CORE_EXPORT void showTransformPropertyTree(const blink::FrameView& rootFrame);
 CORE_EXPORT void showClipPropertyTree(const blink::FrameView& rootFrame);
 CORE_EXPORT void showEffectPropertyTree(const blink::FrameView& rootFrame);
+CORE_EXPORT void showScrollPropertyTree(const blink::FrameView& rootFrame);
 CORE_EXPORT void showPaintPropertyPath(const blink::TransformPaintPropertyNode*);
 CORE_EXPORT void showPaintPropertyPath(const blink::ClipPaintPropertyNode*);
 CORE_EXPORT void showPaintPropertyPath(const blink::EffectPaintPropertyNode*);
+CORE_EXPORT void showPaintPropertyPath(const blink::ScrollPaintPropertyNode*);
 CORE_EXPORT String paintPropertyTreeGraph(const blink::FrameView&);
 
 #endif // ifndef NDEBUG