Upstream an assortment of IndexedDB tests to WPT.

third_party/WebKit/LayoutTests/external/wpt/IndexedDB/support.js

 var databaseName = "database";
 var databaseVersion = 1;
 
 /* Delete created databases
  *
  * Go through each finished test, see if it has an associated database. Close
  * that and delete the database. */
 add_completion_callback(function(tests)
 {
     for (var i in tests)
@@ skipping 94 matching lines @@
 function indexeddb_test(upgrade_func, open_func, description) {
     async_test(function(t) {
         var dbname = document.location + '-' + t.name;
         var del = indexedDB.deleteDatabase(dbname);
         del.onerror = t.unreached_func('deleteDatabase should succeed');
         var open = indexedDB.open(dbname, 1);
         open.onerror = t.unreached_func('open should succeed');
         open.onupgradeneeded = t.step_func(function() {
             var db = open.result;
             var tx = open.transaction;
+            var old_abort = tx.abort;
+            tx.abort = function() {
+              open.onerror = null;
+              old_abort.call(tx);
+            };
             upgrade_func(t, db, tx);
         });
         open.onsuccess = t.step_func(function() {
             var db = open.result;
             if (open_func)
                 open_func(t, db);
         });
     }, description);
 }