[SPv2] FrameView::synchronizedPaint should apply root property nodes

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.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/paint/PaintPropertyTreeBuilder.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/svg/LayoutSVGRoot.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/SVGRootPainter.h"
 #include "platform/transforms/TransformationMatrix.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 void PaintPropertyTreeBuilder::buildTreeRootNodes(FrameView& rootFrame, PaintPropertyTreeBuilderContext& context)
 {
-    // Only create extra root clip and transform nodes when RLS is enabled, because the main frame
-    // unconditionally create frame translation / clip nodes otherwise.
-    if (rootFrame.frame().settings() && rootFrame.frame().settings()->rootLayerScrolls()) {
-        transformRoot = TransformPaintPropertyNode::create(TransformationMatrix(), FloatPoint3D(), nullptr);
-        context.currentTransform = context.transformForAbsolutePosition = context.transformForFixedPosition = transformRoot.get();
+    RefPtr<TransformPaintPropertyNode> transformRoot = TransformPaintPropertyNode::create(TransformationMatrix(), FloatPoint3D(), nullptr);
+    context.currentTransform = context.transformForAbsolutePosition = context.transformForFixedPosition = transformRoot.get();
+    rootFrame.setRootTransform(std::move(transformRoot));
 
-        clipRoot = ClipPaintPropertyNode::create(transformRoot, FloatRoundedRect(LayoutRect::infiniteIntRect()), nullptr);
-        context.currentClip = context.clipForAbsolutePosition = context.clipForFixedPosition = clipRoot.get();
-    }
+    RefPtr<ClipPaintPropertyNode> clipRoot = ClipPaintPropertyNode::create(transformRoot, FloatRoundedRect(LayoutRect::infiniteIntRect()), nullptr);
+    context.currentClip = context.clipForAbsolutePosition = context.clipForFixedPosition = clipRoot.get();
+    rootFrame.setRootClip(std::move(clipRoot));
 
-    // The root frame never creates effect node so we unconditionally create a root node here.
-    effectRoot = EffectPaintPropertyNode::create(1.0, nullptr);
+    RefPtr<EffectPaintPropertyNode> effectRoot = EffectPaintPropertyNode::create(1.0, nullptr);
     context.currentEffect = effectRoot.get();
+    rootFrame.setRootEffect(std::move(effectRoot));
 }
 
 void PaintPropertyTreeBuilder::buildTreeNodes(FrameView& frameView, PaintPropertyTreeBuilderContext& context)
 {
     // TODO(pdr): Creating paint properties for FrameView here will not be
     // needed once settings()->rootLayerScrolls() is enabled.
     // TODO(pdr): Make this conditional on the rootLayerScrolls setting.
 
     TransformationMatrix frameTranslate;
     frameTranslate.translate(frameView.x() + context.paintOffset.x(), frameView.y() + context.paintOffset.y());
@@ skipping 361 matching lines @@
     updateOverflowClip(object, context);
     // TODO(trchen): Insert flattening transform here, as specified by
     // http://www.w3.org/TR/css3-transforms/#transform-style-property
     updatePerspective(object, context);
     updateSvgLocalToBorderBoxTransform(object, context);
     updateScrollTranslation(object, context);
     updateOutOfFlowContext(object, context);
 }
 
 } // namespace blink