Use deferred style recalc for non-blocking stylesheets.

Source/core/html/HTMLLinkElement.cpp

Index: Source/core/html/HTMLLinkElement.cpp
diff --git a/Source/core/html/HTMLLinkElement.cpp b/Source/core/html/HTMLLinkElement.cpp
index f85d7e86fe6e8e5c8f8a36ba1cdd5b3cd2b192f6..b7547f07f95e4d675e57c2bd19ab8787af366158 100644
--- a/Source/core/html/HTMLLinkElement.cpp
+++ b/Source/core/html/HTMLLinkElement.cpp
@@ -556,7 +556,7 @@ void LinkStyle::removePendingSheet(RemovePendingSheetNotificationType notificati
         // Document::removePendingSheet() triggers the style selector recalc for blocking sheets.
         // FIXME: We don't have enough knowledge at this point to know if we're adding or removing a sheet
         // so we can't call addedStyleSheet() or removedStyleSheet().
-        m_owner->document().styleResolverChanged(RecalcStyleImmediately);
+        m_owner->document().styleResolverChanged(RecalcStyleDeferred);
         return;
     }