[WIP]Implement Blink side changes for navigator.language(s) support for workers.

Source/core/workers/WorkerNavigator.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
     return m_userAgent;
 }
 
 void WorkerNavigator::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     HeapSupplementable<WorkerNavigator>::trace(visitor);
 #endif
 }
 
+void WorkerNavigator::setUserPreferredLanguagesForWorkers(const Vector<String>& languages)
+{
+    m_userPreferredLanguages = languages;
+}
+
+AtomicString WorkerNavigator::language()
+{
+    if (!m_userPreferredLanguages.isEmpty())
+        return AtomicString(m_userPreferredLanguages.at(0));
+
+    return emptyAtom;
+}
+
+Vector<String> WorkerNavigator::languages()
+{
+    return m_userPreferredLanguages;
+}
+
 } // namespace blink