Upstream IndexedDB binary key 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 64 matching lines @@
         })
         rq_open.__defineSetter__("on" + evt, function(h) {
             rq_open.manually_handled[evt] = true;
             if (!h)
                 rq_open.addEventListener(evt, function() {});
             else
                 rq_open.addEventListener(evt, test.step_func(h));
         })
     }
 
-    // add a .setTest method to the DB object
+    // add a .setTest method to the IDBOpenDBRequest object
     Object.defineProperty(rq_open, 'setTest', {
         enumerable: false,
         value: function(t) {
             test = t;
 
             auto_fail("upgradeneeded", test);
             auto_fail("success", test);
             auto_fail("blocked", test);
             auto_fail("error", test);
 
             return this;
         }
     });
 
     return rq_open;
 }
 
 function assert_key_equals(actual, expected, description) {
-    assert_equals(indexedDB.cmp(actual, expected), 0, description);
+  assert_equals(indexedDB.cmp(actual, expected), 0, description);
 }
 
 function indexeddb_test(upgrade_func, open_func, description, options) {
   async_test(function(t) {
     var options = Object.assign({upgrade_will_abort: false}, options);
     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);
     if (!options.upgrade_will_abort) {
@@ skipping 21 matching lines @@
 function expect(t, expected) {
   var results = [];
   return result => {
     results.push(result);
     if (results.length === expected.length) {
       assert_array_equals(results, expected);
       t.done();
     }
   };
 }