Remove unused function template overloads.

third_party/WebKit/Source/build/scripts/templates/ElementTypeHelpers.h.tmpl

 {% from "macros.tmpl" import license %}
 {{ license() }}
 
 #ifndef {{namespace}}ElementTypeHelpers_h
 #define {{namespace}}ElementTypeHelpers_h
 
 #include "core/dom/Element.h"
 #include "{{namespace}}Names.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 // Type checking.
 {% for tag in tags|sort if not tag.multipleTagNames and not tag.noTypeHelpers %}
 class {{tag.interface}};
 void is{{tag.interface}}(const {{tag.interface}}&); // Catch unnecessary runtime check of type known at compile time.
 void is{{tag.interface}}(const {{tag.interface}}*); // Catch unnecessary runtime check of type known at compile time.
 
 inline bool is{{tag.interface}}(const {{namespace}}Element& element) {
     {% if tag.runtimeEnabled %}
     if (!RuntimeEnabledFeatures::{{tag.runtimeEnabled}}Enabled())
         return false;
     {% endif %}
     return element.hasTagName({{namespace}}Names::{{tag|symbol}}Tag);
 }
 inline bool is{{tag.interface}}(const {{namespace}}Element* element) { return element && is{{tag.interface}}(*element); }
-template<typename T> inline bool is{{tag.interface}}(const PassRefPtr<T>& node) { return is{{tag.interface}}(node.get()); }
-template<typename T> inline bool is{{tag.interface}}(const RefPtr<T>& node) { return is{{tag.interface}}(node.get()); }
 inline bool is{{tag.interface}}(const Node& node) { return node.is{{namespace}}Element() && is{{tag.interface}}(to{{namespace}}Element(node)); }
 inline bool is{{tag.interface}}(const Node* node) { return node && is{{tag.interface}}(*node); }
 template <> inline bool isElementOfType<const {{tag.interface}}>(const Node& node) { return is{{tag.interface}}(node); }
 template <> inline bool isElementOfType<const {{tag.interface}}>(const {{namespace}}Element& element) { return is{{tag.interface}}(element); }
 
 {% endfor %}
 // Using macros because the types are forward-declared and we don't want to use reinterpret_cast in the
 // casting functions above. reinterpret_cast would be unsafe due to multiple inheritence.
 
 {% for tag in tags|sort if not tag.multipleTagNames and not tag.noTypeHelpers %}
 #define to{{tag.interface}}(x) blink::toElement<blink::{{tag.interface}}>(x)
 {% endfor %}
 } // namespace blink
 
 #endif