bindings: Ignores the last undefined arguments when counting the args.

third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbfactory_open9-expected.txt

Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbfactory_open9-expected.txt
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbfactory_open9-expected.txt b/third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbfactory_open9-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1f40e0eaffbaeeb62a7aff24b4bd6d0f4d986ac
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbfactory_open9-expected.txt
@@ -0,0 +1,22 @@
+This is a testharness.js-based test.
+PASS Calling open() with version argument -1 should throw TypeError. 
+PASS Calling open() with version argument -0.5 should throw TypeError. 
+PASS Calling open() with version argument 0 should throw TypeError. 
+PASS Calling open() with version argument 0.5 should throw TypeError. 
+PASS Calling open() with version argument 0.8 should throw TypeError. 
+PASS Calling open() with version argument 9007199254740992 should throw TypeError. 
+PASS Calling open() with version argument NaN should throw TypeError. 
+PASS Calling open() with version argument Infinity should throw TypeError. 
+PASS Calling open() with version argument -Infinity should throw TypeError. 
+PASS Calling open() with version argument "foo" should throw TypeError. 
+FAIL Calling open() with version argument undefined should throw TypeError. assert_throws: function "function () {
+        window.indexedDB.open('test', val);..." did not throw
+PASS Calling open() with version argument null should throw TypeError. 
+PASS Calling open() with version argument false should throw TypeError. 
+PASS Calling open() with version argument object should throw TypeError. 
+PASS Calling open() with version argument object (second) should throw TypeError. 
+PASS Calling open() with version argument object (third) should throw TypeError. 
+PASS Calling open() with version argument 1.5 should not throw. 
+PASS Calling open() with version argument 9007199254740991 should not throw. 
+Harness: the test ran to completion.
+