bindings: Support sequence in callback function arguments

third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl

Index: third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl
diff --git a/third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl b/third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl
index b95e986e9bb4a70be2e19430d307f5e383661f5b..7426cbb1055d68146f6347e56136395f5282b768 100644
--- a/third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl
+++ b/third_party/WebKit/Source/core/testing/CallbackFunctionTest.idl
@@ -5,9 +5,11 @@
 [ExperimentalCallbackFunction] callback TestCallback = DOMString (DOMString message1, DOMString message2);
 [ExperimentalCallbackFunction] callback TestInterfaceCallback = void (HTMLDivElement divElement);
 [ExperimentalCallbackFunction] callback TestReceiverObjectCallback = void ();
+[ExperimentalCallbackFunction] callback TestSequenceCallback = sequence<DOMString> (sequence<long> numbers);
 
 interface CallbackFunctionTest {
     [CallWith=ScriptState, RaisesException] DOMString testCallback(TestCallback callback, DOMString message1, DOMString message2);
     [CallWith=ScriptState, RaisesException] void testInterfaceCallback(TestInterfaceCallback callback, HTMLDivElement divElement);
     [CallWith=ScriptState, RaisesException] void testReceiverObjectCallback(TestReceiverObjectCallback callback);
+    [CallWith=ScriptState, RaisesException] sequence<DOMString> testSequenceCallback(TestSequenceCallback callback, sequence<long> numbers);
 };