Generated bindings for IDL callback functions

third_party/WebKit/Source/bindings/templates/callback_function.h

 {% 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 %}
 
 namespace blink {
 
-class {{v8_class}} final : public {{cpp_class}}, public ActiveDOMCallback {
-    USING_GARBAGE_COLLECTED_MIXIN({{v8_class}});
+class ScriptState;
+
+class {{exported}}{{v8_class}} final : public GarbageCollectedFinalized<{{v8_class}}>{
+
 public:
     static {{v8_class}}* create(v8::Local<v8::Function> callback, ScriptState* scriptState)
     {
-        return new {{v8_class}}(callback, scriptState);
+      return new {{v8_class}}(callback, scriptState);
     }
 
-    ~{{v8_class}}() override;
+    {{v8_class}}(v8::Local<v8::Function>, ScriptState*);
+    ~{{v8_class}}() = default;
 
     DECLARE_VIRTUAL_TRACE();
 
-{% for method in methods %}
-    {{method.cpp_type}} {{method.name}}({{method.argument_declarations | join(', ')}}) override;
-{% endfor %}
+    bool call({{argument_declarations | join(', ')}});
+    {% if rvalue_cpp_type != 'void' %}
+    {{rvalue_cpp_type}} getValue();
+    {% endif %}
+
 private:
-    {{exported}}{{v8_class}}(v8::Local<v8::Function>, ScriptState*);
-
     ScopedPersistent<v8::Function> m_callback;
     RefPtr<ScriptState> m_scriptState;
+    {% if rvalue_cpp_type != 'void' %}
+    {{member_cpp_type}} returnValue;
+    {% endif %}
 };
 
-}
+} // namespace blink
 #endif // {{v8_class}}_h
 
 {% endfilter %}{# format_blink_cpp_source_code #}