Have toDOMStringList() use the V8TRYCATCH_FOR_V8STRINGRESOURCE() macro

LayoutTests/storage/indexeddb/resources/transaction-error.js

 if (this.importScripts) {
     importScripts('../../../fast/js/resources/js-test-pre.js');
     importScripts('shared.js');
 }
 
 description("Test IDBTransaction.error cases.");
 
 indexedDBTest(prepareDatabase, startTest);
 function prepareDatabase()
 {
     db = event.target.result;
     evalAndLog("store = db.createObjectStore('storeName')");
     request = evalAndLog("store.add('value', 'key')");
     request.onerror = unexpectedErrorCallback;
 }
 
+var nonConvertibleToString = {toString: function() { throw "Exception in toString()"; }};
 function startTest()
 {
     debug("");
     evalAndLog("trans = db.transaction('storeName')");
 
     debug("");
     debug("IDBTransaction.error should be null if transaction is not finished:");
     shouldBeNull("trans.error");
 
     debug("");
+    debug("transaction() should throw if one of the DOMStringList items cannot be converted to a String:");
+    shouldThrow("db.transaction(['storeName', nonConvertibleToString])", "'Exception in toString()'");
+
+    debug("");
     debug("If IDBTransaction.abort() is explicitly called, IDBTransaction.error should be null:");
     evalAndLog("trans.abort()");
     trans.oncomplete = unexpectedCompleteCallback;
     trans.onabort = function() {
         shouldBeNull("trans.error");
         testErrorFromRequest();
     };
 }
 
 function testErrorFromRequest()
@@ skipping 78 matching lines @@
                 debug("trans.error.message = " + trans.error.message);
                 shouldBeNonNull("trans.error.message");
                 debug("Note: This fails because of http://wkb.ug/37327");
                 shouldNotBe("trans.error.message.indexOf(indexName)", "-1");
                 debug("");
                 finishJSTest();
             };
         };
     };
 }