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

third_party/WebKit/LayoutTests/storage/indexeddb/resources/intversion-bad-parameters.js

 if (this.importScripts) {
     importScripts('../../../resources/js-test.js');
     importScripts('shared.js');
 }
 
 description("Test that bad version parameters cause TypeError");
 
 function test()
 {
     setDBNameFromPath();
 
     request = evalAndLog("indexedDB.deleteDatabase(dbname)");
     request.onsuccess = deleteSuccess;
     request.onerror = unexpectedErrorCallback;
 }
 
 function deleteSuccess(evt) {
     preamble();
     evalAndExpectExceptionClass("indexedDB.open(dbname, 'stringversion')", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, 0)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, -5)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, Infinity)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, -Infinity)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, NaN)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, -1)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, 0x20000000000000)", "TypeError");
     evalAndExpectExceptionClass("indexedDB.open(dbname, null)", "TypeError");
-    evalAndExpectExceptionClass("indexedDB.open(dbname, undefined)", "TypeError");
+    evalAndLog("indexedDB.open(dbname, undefined)");

[jsbell, 2015/12/01 00:31:02]

Can you change this to shouldNotThrow() and add a comment here, since this
assertion no longer makes sense without knowing the history of the file?

[Yuki, 2015/12/01 05:57:43]

Done.

     finishJSTest();
 }
 
 test();