Let updateLayout do style recalc instead of styleResolverChanged.

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 20ef2148476d94dc1c8c802d30dfd4bd4affeb7f..104fcbe2bdb334938eba31979f97165aa627e3b9 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -2008,7 +2008,7 @@ void Document::updateLayoutIgnorePendingStylesheets(Document::RunPostLayoutTasks
         HTMLElement* bodyElement = body();
         if (bodyElement && !bodyElement->renderer() && m_pendingSheetLayout == NoLayoutWithPendingSheets) {
             m_pendingSheetLayout = DidLayoutWithPendingSheets;
-            styleResolverChanged(RecalcStyleImmediately);
+            styleResolverChanged(RecalcStyleDeferred);
         } else if (m_hasNodesWithPlaceholderStyle) {
             // If new nodes have been added or style recalc has been done with style sheets still
             // pending, some nodes may not have had their real style calculated yet. Normally this