Extended implementation to use interface as arguments

third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl

Index: third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl
diff --git a/third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl b/third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl
index 02f6953d223317297a39c3ef3079dd604c6b833a..02e19ac8e17eb4e4ae80c209468537901801580b 100644
--- a/third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl
+++ b/third_party/WebKit/Source/bindings/tests/idls/core/TestObject.idl
@@ -34,6 +34,7 @@ callback VoidCallbackFunction = void ();
 callback AnyCallbackFunctionOptionalAnyArg = any (optional any optionalAnyArg);
 [ExperimentalCallbackFunction] callback VoidExperimentalCallbackFunction = void ();
 [ExperimentalCallbackFunction] callback LongExperimentalCallbackFunction = long (long num1, long num2);
+[ExperimentalCallbackFunction] callback VoidCallbackFunctionInterfaceArg = void (HTMLDivElement div);
 // No extended attributes on the interface; those go in TestInterface.idl
 interface TestObject {
     // Constants