Have getElementsByClassName() / getElementsByTagName*() return an HTMLCollection

public/web/WebNodeList.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * 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 WebNodeList_h
 #define WebNodeList_h
 
 #include "../platform/WebCommon.h"
+#include "WebNodeCollection.h"
 
 namespace WebCore { class NodeList; }
 #if BLINK_IMPLEMENTATION
 namespace WTF { template <typename T> class PassRefPtr; }
 #endif
 
 namespace blink {
 class WebNode;
 
 // Provides readonly access to some properties of a DOM node.
 class WebNodeList {
 public:
     ~WebNodeList() { reset(); }
 
     WebNodeList() : m_private(0) { }
     WebNodeList(const WebNodeList& n) : m_private(0) { assign(n); }
     WebNodeList& operator=(const WebNodeList& n)
     {
         assign(n);
         return *this;
     }
 
+    // FIXME(crbug.com/235008): Remove once chromium has been updated to stop using
+    // WebCollection as a WebNodeList.
+    BLINK_EXPORT WebNodeList(const WebNodeCollection&);
+
     BLINK_EXPORT void reset();
     BLINK_EXPORT void assign(const WebNodeList&);
 
     BLINK_EXPORT unsigned length() const;
     BLINK_EXPORT WebNode item(size_t) const;
 
 #if BLINK_IMPLEMENTATION
     WebNodeList(const WTF::PassRefPtr<WebCore::NodeList>&);
 #endif
 
 private:
     void assign(WebCore::NodeList*);
     WebCore::NodeList* m_private;
 };
 
 } // namespace blink
 
 #endif