getElementsByTagName() should take a qualifiedName in parameter

third_party/WebKit/Source/core/html/HTMLTagCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2014 Samsung Electronics. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/html/HTMLTagCollection.h"
 
 namespace blink {
 
 HTMLTagCollection::HTMLTagCollection(ContainerNode& root_node,
-                                     const AtomicString& local_name)
-    : TagCollection(root_node, kHTMLTagCollectionType, g_star_atom, local_name),
-      lowered_local_name_(local_name.LowerASCII()) {
+                                     const AtomicString& qualified_name)
+    : TagCollection(root_node, kHTMLTagCollectionType, qualified_name),
+      lowered_qualified_name_(qualified_name.LowerASCII()) {
   DCHECK(root_node.GetDocument().IsHTMLDocument());
 }
 
 }  // namespace blink