Move CollectionIndexCache.h from core/html/ to core/dom/.

third_party/WebKit/Source/core/html/CollectionItemsCache.h

 /*
  * Copyright (C) 2012,2013 Google Inc. All rights reserved.
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 14 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 CollectionItemsCache_h
 #define CollectionItemsCache_h
 
-#include "core/html/CollectionIndexCache.h"
+#include "core/dom/CollectionIndexCache.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 template <typename Collection, typename NodeType>
 class CollectionItemsCache : public CollectionIndexCache<Collection, NodeType> {
   DISALLOW_NEW();
 
   typedef CollectionIndexCache<Collection, NodeType> Base;
 
@@ skipping 57 matching lines @@
   if (m_listValid) {
     DCHECK(this->isCachedNodeCountValid());
     return index < this->cachedNodeCount() ? m_cachedList[index] : nullptr;
   }
   return Base::nodeAt(collection, index);
 }
 
 }  // namespace blink
 
 #endif  // CollectionItemsCache_h