Incrementally build main thread scrolling reasons [spv2]

third_party/WebKit/Source/platform/graphics/paint/GeometryMapperTest.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/graphics/paint/GeometryMapper.h"
 
 #include "platform/geometry/GeometryTestHelpers.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/paint/ClipPaintPropertyNode.h"
 #include "platform/graphics/paint/EffectPaintPropertyNode.h"
@@ skipping 33 matching lines @@
   void SetUp() override {
     rootTransformNode = TransformPaintPropertyNode::create(
         nullptr, TransformationMatrix(), FloatPoint3D());
     rootClipNode = ClipPaintPropertyNode::create(
         nullptr, rootTransformNode,
         FloatRoundedRect(LayoutRect::infiniteIntRect()));
     rootEffectNode = EffectPaintPropertyNode::create(
         nullptr, rootTransformNode, rootClipNode, CompositorFilterOperations(),
         1.0);
     rootScrollNode = ScrollPaintPropertyNode::create(
-        nullptr, rootTransformNode, IntSize(), IntSize(), false, false);
+        nullptr, rootTransformNode, IntSize(), IntSize(), false, false, 0);
     geometryMapper = makeUnique<GeometryMapper>();
   }
 
   void TearDown() override { geometryMapper.reset(); }
 };
 
 const static float kTestEpsilon = 1e-6;
 
 #define EXPECT_RECT_EQ(expected, actual)                                       \
   do {                                                                         \
@@ skipping 514 matching lines @@
   EXPECT_EQ(rootPropertyTreeState().transform(),
             leastCommonAncestor(childOfChild2.get(),
                                 rootPropertyTreeState().transform()));
   EXPECT_EQ(child2, leastCommonAncestor(childOfChild2.get(), child2.get()));
 
   EXPECT_EQ(rootPropertyTreeState().transform(),
             leastCommonAncestor(child1.get(), child2.get()));
 }
 
 }  // namespace blink