Fixing polymer element registration when extending tag extensions

pkg/pkg.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # Don't run any test-like files that show up in packages directories. It
 # shouldn't be necessary to run "pub install" in these packages, but if you do
 # it shouldn't break the tests.
 */packages/*/*: Skip
 */*/packages/*/*: Skip
 */*/*/packages/*/*: Skip
@@ skipping 26 matching lines @@
 [ $runtime == vm || $runtime == d8 || $runtime == jsshell ]
 polymer/example: Skip # Uses dart:html
 polymer/test/attr_deserialize_test: Skip # uses dart:html
 polymer/test/attr_mustache_test: Skip #uses dart:html
 polymer/test/event_path_test: Skip #uses dart:html
 polymer/test/events_test: Skip #uses dart:html
 polymer/test/instance_attrs_test: Skip #uses dart:html
 polymer/test/prop_attr_bind_reflection_test: Skip #uses dart:html
 polymer/test/prop_attr_reflection_test: Skip #uses dart:html
 polymer/test/publish_attributes_test: Skip #uses dart:html
+polymer/test/register_test: Skip #uses dart:html
 polymer/test/take_attributes_test: Skip #uses dart:html
 
 [$compiler == dart2dart]
 *: Skip
 
 [ $compiler == dart2js || $compiler == dart2dart ]
 source_maps/test/vlq_test: RuntimeError # A VLQ test checks for large numbers that
                                 # overflow in JS (numbers slightly larger than
                                 # 32 bits where we do bitwise operations).
 
@@ skipping 35 matching lines @@
 
 [ $system == windows && ($runtime == chrome || $runtime == ff) ]
 polymer/test/attr_deserialize_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/attr_mustache_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/event_path_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/events_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/instance_attrs_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/prop_attr_bind_reflection_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/prop_attr_reflection_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/publish_attributes_test: Pass, Fail, Timeout # Issue 13260, 14293
+polymer/test/register_test: Pass, Fail, Timeout # Issue 13260, 14293
 polymer/test/take_attributes_test: Pass, Fail, Timeout # Issue 13260, 14293
 
 
 # Skip browser-specific tests on VM
 [ $runtime == vm ]
 path/test/browser_test: Fail, OK # Uses dart:html
 intl/test/find_default_locale_browser_test: Skip
 intl/test/date_time_format_http_request_test: Skip
 
 [ $runtime == vm && $system == windows ]
@@ skipping 176 matching lines @@
 # pkg issue 13944; Missing inherited members: 'ListChangeRecord.addedCount' and 'ListChangeRecord.removedCount'
 custom_element/test/analyzer_test: fail
 mdv/test/analyzer_test: fail
 observe/test/observe_test: fail
 
 # pkg issue 13945; Missing inherited member 'Trace.frames'
 observe/test/observe_test: fail
 
 [ $compiler == none && ($runtime == dartium || $runtime == drt) ]
 polymer/test/prop_attr_reflection_test: Fail # Issue 14295