Move the IndexedDB directory from web-platform-tests/ to wpt/.

third_party/WebKit/LayoutTests/imported/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 83 matching lines @@
             return this;
         }
     });
 
     return rq_open;
 }
 
 function assert_key_equals(actual, expected, description) {
     assert_equals(indexedDB.cmp(actual, expected), 0, description);
 }