Combine outline and focus ring code paths

Source/core/layout/LayoutObject.cpp

Index: Source/core/layout/LayoutObject.cpp
diff --git a/Source/core/layout/LayoutObject.cpp b/Source/core/layout/LayoutObject.cpp
index 50aee305bd11df4acea16886236ff557663ecec2..1314d92687060d97a067f14ade32c61d9543f138 100644
--- a/Source/core/layout/LayoutObject.cpp
+++ b/Source/core/layout/LayoutObject.cpp
@@ -1403,11 +1403,10 @@ PaintInvalidationReason LayoutObject::paintInvalidationReason(const LayoutBoxMod
     if (shouldDoFullPaintInvalidation())
         return m_bitfields.fullPaintInvalidationReason();
 
-    // The focus ring may change because of position change of descendants. For simplicity,
+    // The outline may change shape because of position change of descendants. For simplicity,
     // just force full paint invalidation if this object is marked for checking paint invalidation
     // for any reason.
-    // TODO(wangxianzhu): extend this to all outlines.
-    if (styleRef().outlineStyleIsAuto())
+    if (styleRef().hasOutline())
         return PaintInvalidationOutline;
 
     // If the bounds are the same then we know that none of the statements below