Convert Settings::rootLayerScrolls to RuntimeEnabledFeatures

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp

 // 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.
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "platform/graphics/paint/GeometryMapper.h"
 #include "platform/graphics/paint/TransformPaintPropertyNode.h"
@@ skipping 149 matching lines @@
     EXPECT_EQ(FloatRoundedRect(0, 0, 800, 600), frameView->contentClip()->clipRect());
     EXPECT_EQ(frameView->rootClip(), frameView->contentClip()->parent());
     EXPECT_EQ(nullptr, frameView->rootClip()->parent());
 
     LayoutViewItem layoutViewItem = document().layoutViewItem();
     const ObjectPaintProperties* layoutViewProperties = layoutViewItem.objectPaintProperties();
     EXPECT_EQ(nullptr, layoutViewProperties->scrollTranslation());
     CHECK_EXACT_VISUAL_RECT(document().body()->layoutObject(), frameView->layoutView());
 }
 
-// TODO(trchen): Settings::rootLayerScrolls cannot be switched after main frame being created.
-// Need to set it during test setup. Besides that, the test still won't work because
-// root layer scrolling mode is not compatible with SPv2 at this moment.
-// (Duplicate display item ID for FrameView and LayoutView.)
-TEST_F(PaintPropertyTreeBuilderTest, DISABLED_FrameScrollingRootLayerScrolls)
-{
-    document().settings()->setRootLayerScrolls(true);
-
-    setBodyInnerHTML("<style> body { height: 10000px; } </style>");
-
-    document().domWindow()->scrollTo(0, 100);
-
-    FrameView* frameView = document().view();
-    frameView->updateAllLifecyclePhases();
-    EXPECT_EQ(TransformationMatrix(), frameView->preTranslation()->matrix());
-    EXPECT_EQ(nullptr, frameView->preTranslation()->parent());
-    EXPECT_EQ(TransformationMatrix(), frameView->scrollTranslation()->matrix());
-    EXPECT_EQ(frameView->preTranslation(), frameView->scrollTranslation()->parent());
-
-    LayoutViewItem layoutViewItem = document().layoutViewItem();
-    const ObjectPaintProperties* layoutViewProperties = layoutViewItem.objectPaintProperties();
-    EXPECT_EQ(TransformationMatrix().translate(0, -100), layoutViewProperties->scrollTranslation()->matrix());
-    EXPECT_EQ(frameView->scrollTranslation(), layoutViewProperties->scrollTranslation()->parent());
-    CHECK_EXACT_VISUAL_RECT(document().body()->layoutObject(), frameView->layoutView());
-}
-
 TEST_F(PaintPropertyTreeBuilderTest, Perspective)
 {
     loadTestData("perspective.html");
 
     Element* perspective = document().getElementById("perspective");
     const ObjectPaintProperties* perspectiveProperties = perspective->layoutObject()->objectPaintProperties();
     EXPECT_EQ(TransformationMatrix().applyPerspective(100), perspectiveProperties->perspective()->matrix());
     // The perspective origin is the center of the border box plus accumulated paint offset.
     EXPECT_EQ(FloatPoint3D(250, 250, 0), perspectiveProperties->perspective()->origin());
     EXPECT_EQ(document().view()->scrollTranslation(), perspectiveProperties->perspective()->parent());
@@ skipping 1328 matching lines @@
     EXPECT_EQ(cProperties, c->layoutObject()->objectPaintProperties());
     EXPECT_EQ(cTransformNode, cProperties->transform());
     EXPECT_EQ(bTransformNode, cTransformNode->parent());
 
     CHECK_EXACT_VISUAL_RECT(a->layoutObject(), frameView->layoutView());
     CHECK_EXACT_VISUAL_RECT(b->layoutObject(), frameView->layoutView());
     CHECK_EXACT_VISUAL_RECT(c->layoutObject(), frameView->layoutView());
 }
 
 } // namespace blink