Make it obvious an HTMLOptionsCollection can only contain HTMLOptionElements

Source/core/html/HTMLCollection.cpp

Index: Source/core/html/HTMLCollection.cpp
diff --git a/Source/core/html/HTMLCollection.cpp b/Source/core/html/HTMLCollection.cpp
index f42ae7098827d9584b9764e99962f1c14d778345..5ecfa0ab6b7bf1d59ea7b3751865a92568aaa0fa 100644
--- a/Source/core/html/HTMLCollection.cpp
+++ b/Source/core/html/HTMLCollection.cpp
@@ -32,6 +32,7 @@
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLObjectElement.h"
 #include "core/html/HTMLOptionElement.h"
+#include "core/html/HTMLOptionsCollection.h"
 #include "core/html/HTMLTagCollection.h"
 #include "core/html/WindowNameCollection.h"
 #include "wtf/HashSet.h"
@@ -217,7 +218,7 @@ static inline bool isMatchingHTMLElement(const HTMLCollection& htmlCollection, c
     case TSectionRows:
         return element.hasTagName(trTag);
     case SelectOptions:
-        return element.hasTagName(optionTag);
+        return toHTMLOptionsCollection(htmlCollection).elementMatches(element);
     case SelectedOptions:
         return isHTMLOptionElement(element) && toHTMLOptionElement(element).selected();
     case DataListOptions: