Replace WTF::emptyString{16Bit}() with a static global

third_party/WebKit/Source/core/dom/PseudoElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 59 matching lines @@
 
 String PseudoElement::pseudoElementNameForEvents(PseudoId pseudoId) {
   DEFINE_STATIC_LOCAL(const String, after, ("::after"));
   DEFINE_STATIC_LOCAL(const String, before, ("::before"));
   switch (pseudoId) {
     case PseudoIdAfter:
       return after;
     case PseudoIdBefore:
       return before;
     default:
-      return emptyString();
+      return emptyString;
   }
 }
 
 PseudoElement::PseudoElement(Element* parent, PseudoId pseudoId)
     : Element(pseudoElementTagName(pseudoId),
               &parent->document(),
               CreateElement),
       m_pseudoId(pseudoId) {
   DCHECK_NE(pseudoId, PseudoIdNone);
   parent->treeScope().adoptIfNeeded(*this);
@@ skipping 98 matching lines @@
   LayoutObject* ancestor = layoutObject()->parent();
   while (ancestor->isAnonymous() ||
          (ancestor->node() && ancestor->node()->isPseudoElement())) {
     DCHECK(ancestor->parent());
     ancestor = ancestor->parent();
   }
   return ancestor->node();
 }
 
 }  // namespace blink