[SPInvalidation] Update paint properties when layer or paintsWithTransform status change

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
index 17369a27025b82ed5aa032f5c45b5cd8f8cb0724..3271981ad0d0d28a9d695e1f70b0a6fd5115d775 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
@@ -298,6 +298,20 @@ void LayoutBoxModelObject::styleDidChange(StyleDifference diff,
     }
   }
 
+  if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) {
+    // hasLayer status will affect whether to create localBorderBoxProperties.
+    if (hadLayer != hasLayer()) {
+      setNeedsPaintPropertyUpdate();
+    } else if (oldStyle && oldStyle->position() != styleRef().position() &&
+               (oldStyle->position() == FixedPosition ||
+                styleRef().position() == FixedPosition)) {
+      // Fixed-position status affects whether to create paintOffsetTranslation.
+      // TODO(chrishtr): Update the condition here when changing the condition
+      // in PaintPropertyTreeBuilder::updatePaintOffsetTranslation().
+      setNeedsPaintPropertyUpdate();
+    }
+  }
+
   if (layer()) {
     layer()->styleDidChange(diff, oldStyle);
     if (hadLayer && layer()->isSelfPaintingLayer() != layerWasSelfPainting)