Change a bool type to an enum type in constructor argument of SpaceSplitString.

Source/core/dom/DOMSettableTokenList.cpp

 /*
  * Copyright (C) 2010 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:
  * 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 46 matching lines @@
 {
     return m_tokens.contains(token);
 }
 
 void DOMSettableTokenList::add(const Vector<String>& tokens, ExceptionState& exceptionState)
 {
     DOMTokenList::add(tokens, exceptionState);
 
     for (size_t i = 0; i < tokens.size(); ++i) {
         if (m_tokens.isNull())
-            m_tokens.set(AtomicString(tokens[i]), false);
+            m_tokens.set(AtomicString(tokens[i]), SpaceSplitString::ShouldNotFoldCase);
         else
             m_tokens.add(AtomicString(tokens[i]));
     }
 }
 
 void DOMSettableTokenList::addInternal(const AtomicString& token)
 {
     DOMTokenList::addInternal(token);
     if (m_tokens.isNull())
-        m_tokens.set(token, false);
+        m_tokens.set(token, SpaceSplitString::ShouldNotFoldCase);
     else
         m_tokens.add(token);
 }
 
 void DOMSettableTokenList::remove(const Vector<String>& tokens, ExceptionState& exceptionState)
 {
     DOMTokenList::remove(tokens, exceptionState);
     for (size_t i = 0; i < tokens.size(); ++i)
         m_tokens.remove(AtomicString(tokens[i]));
 }
 
 void DOMSettableTokenList::removeInternal(const AtomicString& token)
 {
     DOMTokenList::removeInternal(token);
     m_tokens.remove(token);
 }
 
 void DOMSettableTokenList::setValue(const AtomicString& value)
 {
     m_value = value;
-    m_tokens.set(value, false);
+    m_tokens.set(value, SpaceSplitString::ShouldNotFoldCase);
     if (m_observer)
         m_observer->valueChanged();
 }
 
 } // namespace blink