Move custom element code to core/dom/custom/

Source/core/dom/custom/CustomElementCallbackScheduler.h

 /*
  * Copyright (C) 2013 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
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CustomElementCallbackScheduler_h
 #define CustomElementCallbackScheduler_h
 
-#include "core/dom/CustomElementCallbackQueue.h"
+#include "core/dom/custom/CustomElementCallbackQueue.h"
 #include "wtf/HashMap.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
 class CustomElementLifecycleCallbacks;
 class Element;
 
@@ skipping 17 matching lines @@
     CustomElementCallbackQueue* schedule(PassRefPtr<Element>);
     CustomElementCallbackQueue* scheduleInCurrentElementQueue(PassRefPtr<Element>);
 
     typedef HashMap<Element*, OwnPtr<CustomElementCallbackQueue> > ElementCallbackQueueMap;
     ElementCallbackQueueMap m_elementCallbackQueueMap;
 };
 
 }
 
 #endif // CustomElementCallbackScheduler_h