Make sure the rootNode of a LiveNodeListBase is always a ContainerNode

Source/core/html/HTMLTableRowsCollection.cpp

Index: Source/core/html/HTMLTableRowsCollection.cpp
diff --git a/Source/core/html/HTMLTableRowsCollection.cpp b/Source/core/html/HTMLTableRowsCollection.cpp
index 0428e11e060f32cf4214239860ab4aa12da8af9c..8a1f3dbd2be90b4c0ad0d94745b4718811dab285 100644
--- a/Source/core/html/HTMLTableRowsCollection.cpp
+++ b/Source/core/html/HTMLTableRowsCollection.cpp
@@ -151,13 +151,13 @@ HTMLTableRowElement* HTMLTableRowsCollection::lastRow(HTMLTableElement* table)
 // Must call get() on the table in case that argument is compiled before dereferencing the
 // table to get at the collection cache. Order of argument evaluation is undefined and can
 // differ between compilers.
-HTMLTableRowsCollection::HTMLTableRowsCollection(Node* table)
+HTMLTableRowsCollection::HTMLTableRowsCollection(ContainerNode* table)
     : HTMLCollection(table, TableRows, OverridesItemAfter)
 {
     ASSERT(table->hasTagName(tableTag));
 }
 
-PassRefPtr<HTMLTableRowsCollection> HTMLTableRowsCollection::create(Node* table, CollectionType)
+PassRefPtr<HTMLTableRowsCollection> HTMLTableRowsCollection::create(ContainerNode* table, CollectionType)
 {
     return adoptRef(new HTMLTableRowsCollection(table));
 }