Pass rootNode by reference when constructing node lists / collections

Source/core/html/HTMLOptionsCollection.cpp

Index: Source/core/html/HTMLOptionsCollection.cpp
diff --git a/Source/core/html/HTMLOptionsCollection.cpp b/Source/core/html/HTMLOptionsCollection.cpp
index b63ab241f7ded87be308d604549737747968eeef..7011248762e2e1433646c0fc4a2a8fdf93fe05b5 100644
--- a/Source/core/html/HTMLOptionsCollection.cpp
+++ b/Source/core/html/HTMLOptionsCollection.cpp
@@ -31,10 +31,10 @@
 
 namespace WebCore {
 
-HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode* select)
+HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode& select)
     : HTMLCollection(select, SelectOptions, DoesNotOverrideItemAfter)
 {
-    ASSERT(select->hasTagName(HTMLNames::selectTag));
+    ASSERT(select.hasTagName(HTMLNames::selectTag));
     ScriptWrappable::init(this);
 }
 
@@ -64,7 +64,7 @@ void HTMLOptionsCollection::supportedPropertyNames(Vector<String>& names)
     }
 }
 
-PassRefPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(ContainerNode* select, CollectionType)
+PassRefPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(ContainerNode& select, CollectionType)
 {
     return adoptRef(new HTMLOptionsCollection(select));
 }