Make scroll translation transform nodes reference scroll nodes

third_party/WebKit/Source/core/paint/PaintPropertyTreePrinterTest.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 "core/paint/PaintPropertyTreePrinter.h"
 
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutTestHelper.h"
 #include "platform/testing/RuntimeEnabledFeaturesTestHelpers.h"
 #include "testing/gmock/include/gmock/gmock-matchers.h"
@@ skipping 110 matching lines @@
 TEST_P(PaintPropertyTreePrinterTest, SimpleScrollTreePath) {
   setBodyInnerHTML(
       "<div id='scroll' style='overflow: scroll; height: 100px;'>"
       "  <div id='forceScroll' style='height: 4000px;'></div>"
       "</div>");
   LayoutObject* scrollObject =
       document().getElementById("scroll")->layoutObject();
   const auto* scrollObjectProperties = scrollObject->paintProperties();
   String scrollPathAsString = scrollObjectProperties->scroll()->toTreeString();
   EXPECT_THAT(scrollPathAsString.ascii().data(),
-              testing::MatchesRegex("root .* scroll.*"
-                                    "  .* scroll.*"));
+              testing::MatchesRegex("root .* parent.*"
+                                    "  .* parent.*"));
 }
 
 }  // namespace blink
 
 #endif  // if DCHECK_IS_ON()