[Bindings] Implement installRuntimeEnabledFeatures method on some classes

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 130 matching lines @@
   {{exported}}static void preparePrototypeAndInterfaceObject(v8::Local<v8::Context>, const DOMWrapperWorld&, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate);
   {% endif %}
   {% if has_partial_interface %}
   {{exported}}static void updateWrapperTypeInfo(InstallTemplateFunction, PreparePrototypeAndInterfaceObjectFunction);
   {{exported}}static void install{{v8_class}}Template(v8::Isolate*, const DOMWrapperWorld&, v8::Local<v8::FunctionTemplate> interfaceTemplate);
   {% for method in methods if method.overloads and method.overloads.has_partial_overloads %}
   {{exported}}static void register{{method.name | blink_capitalize}}MethodForPartialInterface(void (*)(const v8::FunctionCallbackInfo<v8::Value>&));
   {% endfor %}
   {% endif %}
 
+  {% if needs_runtime_enabled_installer %}
+  {{exported}}static void installRuntimeEnabledFeatures(
+      v8::Isolate* isolate,
+      const DOMWrapperWorld& world,
+      v8::Local<v8::Object> instance,
+      v8::Local<v8::Object> prototype,
+      v8::Local<v8::Function> interface);
+  {% endif %}
+
   {% for feature in origin_trial_features %}
 
   static void install{{feature.name}}(v8::Isolate*, const DOMWrapperWorld&, v8::Local<v8::Object> instance, v8::Local<v8::Object> prototype, v8::Local<v8::Function> interface);
   static void install{{feature.name}}(ScriptState*, v8::Local<v8::Object> instance);
   {% if not feature.needs_instance %}
   static void install{{feature.name}}(ScriptState*);
   {% endif %}
   {% endfor %}
   {% if has_partial_interface %}
 
  private:
   static InstallTemplateFunction install{{v8_class}}TemplateFunction;
   {% endif %}
 };
 
 {% if has_event_constructor %}
 {{exported}}bool initialize{{cpp_class}}({{cpp_class}}Init&, const Dictionary&, ExceptionState&, const v8::FunctionCallbackInfo<v8::Value>& info);
 
 {% endif %}
 template <>
 struct V8TypeOf<{{cpp_class}}> {
   typedef {{v8_class}} Type;
 };
 
 }  // namespace blink
 
 #endif  // {{v8_class}}_h
 
 {% endfilter %}{# format_blink_cpp_source_code #}