Bring back initPolymer, allow boot.js only if using "polymer_experimental.html".

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 81 matching lines @@
 [ $runtime == jsshell ]
 async/test/stream_zip_test: RuntimeError, OK # Timers are not supported.
 scheduled_test/test/unittest_compatibility_test: RuntimeError # Issue 7728
 unittest/test/unittest_nested_groups_setup_teardown_test: RuntimeError # http://dartbug.com/10109
 
 [ $compiler == dart2js && $runtime == drt ]
 async/test/stream_zip_test: RuntimeError, Pass # Issue 18548
 
 [ $runtime == vm || $runtime == d8 || $runtime == jsshell ]
 polymer/example: Skip # Uses dart:html
+polymer/e2e_test: Skip # Uses dart:html
 polymer/test/attr_deserialize_test: Skip # uses dart:html
 polymer/test/attr_mustache_test: Skip #uses dart:html
 polymer/test/bind_test: Skip # uses dart:html
 polymer/test/bind_mdv_test: Skip # uses dart:html
 polymer/test/custom_event_test: Skip # uses dart:html
 polymer/test/entered_view_test: Skip # uses dart:html
 polymer/test/event_handlers_test: Skip #uses dart:html
 polymer/test/event_path_declarative_test: Skip #uses dart:html
 polymer/test/event_path_test: Skip #uses dart:html
 polymer/test/events_test: Skip #uses dart:html
@@ skipping 56 matching lines @@
 third_party/angular_tests/vm_test: Fail # Uses removed APIs. See issue 18733.
 
 [ $runtime == vm && $system == windows ]
 intl/test/find_default_locale_standalone_test: Fail # Issue 8110
 
 [ $compiler == dartanalyzer || $compiler == dart2analyzer ]
 # These tests are runtime negative but statically positive, so we skip
 # them in the analyzer.
 mock/test/mock_regexp_negative_test: Skip
 mock/test/mock_stepwise_negative_test: Skip
-polymer/example/canonicalization: Skip
-polymer/example/canonicalization2: Skip
-polymer/example/canonicalization3: Skip
+polymer/e2e_test/canonicalization: Skip
+polymer/e2e_test/experimental_boot: Skip
 
 third_party/angular_tests/browser_test: StaticWarning # Issue 15890
 
 [ $compiler == dart2js && $runtime == none]
-polymer/example/canonicalization: Skip
-polymer/example/canonicalization2: Skip
-polymer/example/canonicalization3: Skip
+polymer/e2e_test/canonicalization: Skip
+polymer/e2e_test/experimental_boot: Skip
 
 [ $compiler == dart2js && $csp ]
 polymer/test/noscript_test: Fail # Issue 17326
 polymer/test/js_interop_test: Fail # Issue 17326
 
 # This test cannot run under CSP because it is injecting a JavaScript polyfill
 mutation_observer: Skip
 
 [ $compiler == dart2js && $minified ]
 # The unminified unittest tests test that the real names of Dart types are
 # printed. Minified versions of these tests exist that test the behavior when
 # minified.
 matcher/test/*_unminified_test: Skip # DO NOT COPY THIS UNLESS YOU WORK ON DART2JS
 
 [ $compiler == dart2js && $browser ]
 stack_trace/test/vm_test: Fail, OK # VM-specific traces
 stack_trace/test/chain_test: Fail # Issues 15171 and 15105
 crypto/test/sha256_test: Slow, Pass
 crypto/test/sha1_test: Slow, Pass
 polymer/example/component: Fail # Issue 13198
+polymer/e2e_test/canonicalization/test/dev1_test: Fail, OK # tests development only behavior
+polymer/e2e_test/canonicalization/test/dev2_test: Fail, OK # tests development only behavior
+polymer/e2e_test/canonicalization/test/dev3_test: Fail, OK # tests development only behavior
+polymer/e2e_test/canonicalization/test/dir/dev1_test: Fail, OK # tests development only behavior
+polymer/e2e_test/canonicalization/test/dir/dev2_test: Fail, OK # tests development only behavior
+polymer/e2e_test/bad_import1: RuntimeError # Issue 17596
+polymer/e2e_test/bad_import2: RuntimeError # Issue 17596
+polymer/e2e_test/bad_import3: Fail, OK # tests broken import
 polymer/test/mirror_loader_test: Skip # tests development only behavior
 
 [ $compiler == dart2js && $runtime == chromeOnAndroid ]
 intl/test/date_time_format_http_request_test: Fail # TODO(kasperl): Please triage.
 
 [ $browser ]
 analysis_server/test/*: Skip # Uses dart:io.
 analyzer/test/error_test: Fail, OK # Uses dart:io.
 analyzer/test/generated/ast_test: Fail, OK # Uses dart:io.
 analyzer/test/generated/element_test: Fail, OK # Uses dart:io.
@@ skipping 85 matching lines @@
 unittest/test/unittest_runtests_without_tests_test: Fail # 13921
 unittest/test/unittest_setup_and_teardown_test: Fail # 13921
 unittest/test/unittest_setup_test: Fail # 13921
 unittest/test/unittest_single_correct_test: Fail # 13921
 unittest/test/unittest_single_failing_test: Fail # 13921
 unittest/test/unittest_skipped_soloed_nested_test: Fail # 13921
 unittest/test/unittest_teardown_test: Fail # 13921
 unittest/test/unittest_test_returning_future_test: Fail # 13921
 unittest/test/unittest_test_returning_future_using_runasync_test: Fail # 13921
 unittest/test/unittest_testcases_immutable_test: Fail # 13921
+polymer/e2e_test/canonicalization/test/deploy1_test: Fail, OK # tests deploy only behavior
+polymer/e2e_test/canonicalization/test/deploy2_test: Fail, OK # tests deploy only behavior
+polymer/e2e_test/canonicalization/test/deploy3_test: Fail, OK # tests deploy only behavior
+polymer/e2e_test/canonicalization/test/dir/dev2_test: RuntimeError # Issue 17596
+polymer/e2e_test/canonicalization/test/dir/deploy1_test: Fail, OK # tests deploy only behavior
+polymer/e2e_test/canonicalization/test/dir/deploy2_test: Fail, OK # tests deploy only behavior
 polymer/test/custom_event_test: Pass, Crash # 14360
 
 [ $compiler == none && ( $runtime == dartium || $runtime == drt ) && $checked ]
 polymer/test/custom_event_test: Skip # http://dartbug.com/15517
 
 [ $runtime == vm ]
 # Skip tests on the VM if the package depends on dart:html
 custom_element: Skip
 template_binding: Skip
 mutation_observer: Skip
@@ skipping 52 matching lines @@
 http/test/multipart_test: Fail
 http/test/request_test: Fail
 http/test/response_test: Fail
 oauth2/test/authorization_code_grant_test: Fail
 oauth2/test/client_test: Fail
 oauth2/test/credentials_test: Fail
 oauth2/test/handle_access_token_response_test: Fail
 
 [ $runtime == drt ]
 http/test/html/client_test: Skip # Issue 18566