Emit trace(Visitor*) rather than a templated trace().

third_party/WebKit/Source/bindings/templates/interface.h.tmpl

 {% filter format_blink_cpp_source_code %}
 
 {% include 'copyright_block.txt' %}
 #ifndef {{v8_class}}_h
 #define {{v8_class}}_h
 
 {% for filename in header_includes %}
 #include "{{filename}}"
 {% endfor %}
 
@@ skipping 29 matching lines @@
   static {{cpp_class}}* toImpl(v8::Local<v8::Object> object) {
     return toScriptWrappable(object)->toImpl<{{cpp_class}}>();
   }
   {% endif %}
   {{exported}}static {{cpp_class}}* toImplWithTypeCheck(v8::Isolate*, v8::Local<v8::Value>);
   {% if has_partial_interface %}
   {{exported}}static WrapperTypeInfo wrapperTypeInfo;
   {% else %}
   {{exported}}static const WrapperTypeInfo wrapperTypeInfo;
   {% endif %}
-  template<typename VisitorDispatcher>
-  static void trace(VisitorDispatcher visitor, ScriptWrappable* scriptWrappable) {
+  static void trace(Visitor* visitor, ScriptWrappable* scriptWrappable) {
     visitor->trace(scriptWrappable->toImpl<{{cpp_class}}>());
   }
   static void traceWrappers(WrapperVisitor* visitor, ScriptWrappable* scriptWrappable) {
     visitor->traceWrappers(scriptWrappable->toImpl<{{cpp_class}}>());
   }
   {% if has_visit_dom_wrapper %}
   static void visitDOMWrapper(v8::Isolate*, ScriptWrappable*, const v8::Persistent<v8::Object>&);
   {% endif %}
   {% if has_visit_dom_wrapper_custom %}
   static void visitDOMWrapperCustom(v8::Isolate*, ScriptWrappable*, const v8::Persistent<v8::Object>&);
@@ skipping 119 matching lines @@
 template <>
 struct V8TypeOf<{{cpp_class}}> {
   typedef {{v8_class}} Type;
 };
 
 }  // namespace blink
 
 #endif  // {{v8_class}}_h
 
 {% endfilter %}{# format_blink_cpp_source_code #}