Simplify the HTMLCollection destructor

Source/core/html/CollectionType.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 18 matching lines @@
     // Unnamed HTMLCollection types cached in the document.
     DocImages,    // all <img> elements in the document
     DocApplets,   // all <object> and <applet> elements
     DocEmbeds,    // all <embed> elements
     DocForms,     // all <form> elements
     DocLinks,     // all <a> _and_ <area> elements with a value for href
     DocAnchors,   // all <a> elements with a value for name
     DocScripts,   // all <script> elements
     DocAll,       // "all" elements (IE)
 
-    // Named collection types cached in the document.
-    WindowNamedItems,
-    DocumentNamedItems,
-
     // Unnamed HTMLCollection types cached in elements.
     NodeChildren, // first-level children (ParentNode DOM interface)
     TableTBodies, // all <tbody> elements in this table
     TSectionRows, // all row elements in this table section
     TableRows,
     TRCells,      // all cells in this row
     SelectOptions,
     SelectedOptions,
     DataListOptions,
     MapAreas,
     FormControls,
 
+    // Named HTMLCollection types cached in the document.
+    WindowNamedItems,
+    DocumentNamedItems,
+
+    // Named HTMLCollection types cached in elements.
     ClassCollectionType,
     TagCollectionType,
     HTMLTagCollectionType,
 
     // Live NodeList.
     NameNodeListType,
     RadioNodeListType,
     RadioImgNodeListType,
     LabelsNodeListType,
 };
 
+static const CollectionType FirstNamedCollectionType = WindowNamedItems;
 static const CollectionType FirstLiveNodeListType = NameNodeListType;

[adamk, 2014/04/17 18:08:08]

Not sure why these aren't just members of the enum, but I suppose it doesn't
matter much.

 
+inline bool isUnnamedHTMLCollectionType(CollectionType type)
+{
+    return type < FirstNamedCollectionType;
+}
+
 inline bool isLiveNodeListType(CollectionType type)
 {
     return type >= FirstLiveNodeListType;
 }
 
 } // namespace
 
 #endif