Recalc list items for <select> before updating style for the select.

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 4d361113e4fa9b9249b67d87c85b5c6477805ac0..c2db12d8bc29a05037ba8dc3090e5c7f3f18da23 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1754,8 +1754,13 @@ ElementShadow& Element::ensureShadow()
 
 void Element::pseudoStateChanged(CSSSelector::PseudoType pseudo)
 {
+    // We can't schedule invaliation sets from inside style recalc otherwise
+    // we'd never process them.
+    // TODO(esprehn): Make this an ASSERT and fix places that call into this
+    // like HTMLSelectElement.
+    if (document().inStyleRecalc())
+        return;
     StyleResolver* styleResolver = document().styleResolver();
-
     if (inActiveDocument() && styleResolver && styleChangeType() < SubtreeStyleChange)
         document().styleEngine().pseudoStateChangedForElement(pseudo, *this);
 }