Move scroll paint property nodes to be owned by the transform tree

third_party/WebKit/Source/platform/testing/TestPaintArtifact.cpp

 // Copyright 2016 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.
 
 #include "platform/testing/TestPaintArtifact.h"
 
 #include "cc/layers/layer.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/graphics/paint/ForeignLayerDisplayItem.h"
@@ skipping 30 matching lines @@
   paint.setColor(m_color.rgb());
   canvas->drawRect(m_rect, paint);
   return recorder.finishRecordingAsPicture();
 }
 
 TestPaintArtifact::TestPaintArtifact() : m_displayItemList(0), m_built(false) {}
 
 TestPaintArtifact::~TestPaintArtifact() {}
 
 TestPaintArtifact& TestPaintArtifact::chunk(
-    PassRefPtr<TransformPaintPropertyNode> transform,
-    PassRefPtr<ClipPaintPropertyNode> clip,
-    PassRefPtr<EffectPaintPropertyNode> effect,
-    PassRefPtr<ScrollPaintPropertyNode> scroll) {
-  PropertyTreeState propertyTreeState(transform.get(), clip.get(), effect.get(),
-                                      scroll.get());
+    PassRefPtr<const TransformPaintPropertyNode> transform,
+    PassRefPtr<const ClipPaintPropertyNode> clip,
+    PassRefPtr<const EffectPaintPropertyNode> effect) {
+  PropertyTreeState propertyTreeState(transform.get(), clip.get(),
+                                      effect.get());
   PaintChunkProperties properties(propertyTreeState);
   return chunk(properties);
 }
 
 TestPaintArtifact& TestPaintArtifact::chunk(
     const PaintChunkProperties& properties) {
   if (!m_paintChunks.isEmpty())
     m_paintChunks.back().endIndex = m_displayItemList.size();
   PaintChunk chunk;
   chunk.beginIndex = m_displayItemList.size();
@@ skipping 32 matching lines @@
 
   if (!m_paintChunks.isEmpty())
     m_paintChunks.back().endIndex = m_displayItemList.size();
   m_paintArtifact = PaintArtifact(std::move(m_displayItemList),
                                   std::move(m_paintChunks), true);
   m_built = true;
   return m_paintArtifact;
 }
 
 }  // namespace blink