Import wpt@7fe3903b54bd58ee3039858f4c66bc492195fd39

Using wpt-import in Chromium 00c23f03.

Build: https://ci.chromium.org/buildbot/chromium.infra.cron/wpt-importer/7692

Note to sheriffs: This CL imports external tests and adds
expectations for those tests; if this CL is large and causes
a few new failures, please fix the failures by adding new
lines to TestExpectations rather than reverting. See:
https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md

TBR=leon.han@intel.com

No-Export: true
Change-Id: I76bf3bfa205dd1ae5e38266db56b13b80c35aa35
Reviewed-on: https://chromium-review.googlesource.com/826384
Commit-Queue: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Reviewed-by: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524047}

third_party/WebKit/LayoutTests/external/wpt/html/browsers/browsing-the-web/history-traversal/PopStateEvent.html

@@ -10,6 +10,11 @@ test(function () {
                'There should be no PopStateEvent#initPopStateEvent');
 }, 'initPopStateEvent');
 
+test(function () {
+  var popStateEvent = new PopStateEvent("popstate");
+  assert_equals(popStateEvent.state, null, "the PopStateEvent.state");
+}, "Initial value of PopStateEvent.state must be null");
+
 test(function () {
   var state = history.state;
   var data;

third_party/WebKit/LayoutTests/external/wpt/html/browsers/browsing-the-web/history-traversal/hashchange_event-expected.txt

+This is a testharness.js-based test.
+FAIL Queue a task to fire hashchange event assert_true: bubble expected true got false
+Harness: the test ran to completion.
+

third_party/WebKit/LayoutTests/external/wpt/html/browsers/browsing-the-web/history-traversal/hashchange_event.html

@@ -18,6 +18,12 @@ window.onload = t.step_func(function () {
 
   location.hash = 'foo';
   window.onhashchange = t.step_func(function (e) {
+    assert_true(e.isTrusted);
+    assert_equals(e.target, window);
+    assert_equals(e.type, "hashchange");
+    assert_true(e instanceof HashChangeEvent);
+    assert_true(e.bubbles, "bubble");
+    assert_false(e.cancelable, "cancelable");
     oldURLs.push(e.oldURL);
     newURLs.push(e.newURL);
     if (newURLs.length === 2) {