Add Element::subResourceAttributeName() virtual function

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index d57c93a38929315862ae4451f62c97aafea7c853..53526f27867af0be1eb798fe217be25a152efd8b 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -1211,6 +1211,11 @@ bool HTMLInputElement::hasLegalLinkAttribute(const QualifiedName& name) const
     return m_inputType->hasLegalLinkAttribute(name) || HTMLTextFormControlElement::hasLegalLinkAttribute(name);
 }
 
+const QualifiedName& HTMLInputElement::subResourceAttributeName() const
+{
+    return m_inputType->subResourceAttributeName();
+}
+
 const AtomicString& HTMLInputElement::defaultValue() const
 {
     return fastGetAttribute(valueAttr);