Extended implementation to use interface as arguments

third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html

Index: third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html b/third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html
index f8ff7e029adb70b8f7eb085f008685e54ccfdf7b..77cd15f96a247c37453aa595977b847c7aebfb83 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html
+++ b/third_party/WebKit/LayoutTests/fast/dom/idl-callback-function-unittest.html
@@ -2,8 +2,9 @@
 <script src="../../resources/testharness.js"></script>
 <script src="../../resources/testharnessreport.js"></script>
 <script>
+var callbackFunctionTest = internals.callbackFunctionTest();
+
 test(function() {
-    var callbackFunctionTest = internals.callbackFunctionTest();
     var callback1 = function(msg1, msg2) {
         return msg1 + ', ' + msg2;
     };
@@ -14,4 +15,13 @@ test(function() {
     };
     assert_equals(callbackFunctionTest.testCallback(callback2, 'hello', 'world'), 'SUCCESS: hellohello worldworld');
 }, 'Callback function which takes two strings');
+
+test(function() {
+    var divElements = document.createElement('div');

[bashi, 2016/09/23 05:45:18]

divElements -> divElement

[lkawai, 2016/09/23 06:05:36]

Done.

+    var addInnerHTML = function(d) {
+        d.innerHTML = 'hello';
+    };
+    callbackFunctionTest.testInterfaceCallback(addInnerHTML, divElements);
+    assert_equals(divElements.innerHTML, 'hello');
+}, 'Callback function which takes a interface');
 </script>