Import wpt@6aeae52f01c6f1ed528fd03cc1b3832cda9d2a65

Using wpt-import in Chromium a7b2f5dd.
With Chromium commits locally applied on WPT:
2b985496 "Add webgl2 tests for WebXR"
e9e1f3fd "Use visual overflow rect for layout shift tracking"


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

Directory owners for changes in this CL:
foolip@chromium.org, lpz@chromium.org, robertma@chromium.org:
  external/wpt/tools
foolip@chromium.org, robertma@chromium.org, smcgruer@chromium.org:
  external/wpt/infrastructure

NOAUTOREVERT=true
TBR=foolip@google.com

No-Export: true
Cq-Include-Trybots: luci.chromium.try:linux-wpt-identity-fyi-rel,linux-wpt-payments-fyi-rel
Change-Id: I355e6ec474e40aa898dbc6e8b5522634b6f9397f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2504091Reviewed-by: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#821582}

third_party/blink/web_tests/TestExpectations

@@ -2585,6 +2585,7 @@ crbug.com/958381 [ Mac ] external/wpt/css/CSS2/tables/table-anonymous-objects-20
 crbug.com/958381 [ Mac ] external/wpt/css/CSS2/tables/table-anonymous-objects-206.xht [ Failure ]
 
 # ====== New tests from wpt-importer added here ======
+crbug.com/626703 [ Mac10.13 ] external/wpt/webxr/xr_viewport_scale.https.html [ Timeout ]
 crbug.com/626703 [ Mac10.13 ] external/wpt/html/semantics/forms/the-input-element/selection-pointer.html [ Failure Timeout ]
 crbug.com/626703 [ Mac10.14 ] external/wpt/html/semantics/forms/the-input-element/selection-pointer.html [ Failure Timeout ]
 crbug.com/626703 [ Mac10.15 ] external/wpt/html/semantics/forms/the-input-element/selection-pointer.html [ Timeout ]

third_party/blink/web_tests/external/wpt/docs/writing-tests/file-names.md

@@ -36,6 +36,9 @@ themselves precede any test type flag, but are otherwise unordered.
  `.h2`
  : Indicates that a test is loaded over HTTP/2.
 
+ `.www`
+ : Indicates that a test is run on the `www` subdomain.
+
 `.sub`
  : Indicates that a test uses the [server-side substitution](server-pipes.html#sub)
    feature.

third_party/blink/web_tests/external/wpt/infrastructure/server/subdomain-flag.www.sub.window-expected.txt

+This is a testharness.js-based test.
+FAIL Use of .www. file name flag implies www subdomain assert_equals: expected "www.web-platform.test" but got "web-platform.test"
+Harness: the test ran to completion.
+

third_party/blink/web_tests/external/wpt/infrastructure/server/subdomain-flag.www.sub.window.js

+test(() => {
+  assert_equals(location.hostname, "{{domains[www]}}");
+}, "Use of .www. file name flag implies www subdomain");
+
+done();

third_party/blink/web_tests/external/wpt/tools/manifest/item.py

@@ -147,6 +147,14 @@ class URLManifestItem(ManifestItem):
         flags = set(urlparse(self.url).path.rsplit("/", 1)[1].split(".")[1:-1])
         return "h2" in flags
 
+    @property
+    def subdomain(self):
+        # type: () -> bool
+        flags = set(urlparse(self.url).path.rsplit("/", 1)[1].split(".")[1:-1])
+        # Note: this is currently hard-coded to check for `www`, rather than
+        # all possible valid subdomains. It can be extended if needed.
+        return "www" in flags
+
     def to_json(self):
         # type: () -> Tuple[Optional[Text], Dict[Any, Any]]
         rel_url = None if self._url == self.path.replace(os.path.sep, u"/") else self._url

third_party/blink/web_tests/external/wpt/tools/wptrunner/wptrunner/executors/base.py

@@ -307,14 +307,18 @@ class TestExecutor(object):
 
         self.runner.send_message("test_ended", test, result)
 
-    def server_url(self, protocol):
+    def server_url(self, protocol, subdomain=False):
         scheme = "https" if protocol == "h2" else protocol
-        return "%s://%s:%s" % (scheme,
-                               self.server_config["browser_host"],
-                               self.server_config["ports"][protocol][0])
+        host = self.server_config["browser_host"]
+        if subdomain:
+            # The only supported subdomain filename flag is "www".
+            host = "{subdomain}.{host}".format(subdomain="www", host=host)
+        return "{scheme}://{host}:{port}".format(scheme=scheme, host=host,
+            port=self.server_config["ports"][protocol][0])
 
     def test_url(self, test):
-        return urljoin(self.server_url(test.environment["protocol"]), test.url)
+        return urljoin(self.server_url(test.environment["protocol"],
+                                       test.subdomain), test.url)
 
     @abstractmethod
     def do_test(self, test):

third_party/blink/web_tests/external/wpt/tools/wptrunner/wptrunner/wpttest.py

@@ -158,13 +158,15 @@ class Test(object):
     long_timeout = 60  # seconds
 
     def __init__(self, tests_root, url, inherit_metadata, test_metadata,
-                 timeout=None, path=None, protocol="http", quic=False):
+                 timeout=None, path=None, protocol="http", subdomain=False,
+                 quic=False):
         self.tests_root = tests_root
         self.url = url
         self._inherit_metadata = inherit_metadata
         self._test_metadata = test_metadata
         self.timeout = timeout if timeout is not None else self.default_timeout
         self.path = path
+        self.subdomain = subdomain
         self.environment = {"protocol": protocol, "prefs": self.prefs, "quic": quic}
 
     def __eq__(self, other):
@@ -190,7 +192,8 @@ class Test(object):
                    test_metadata,
                    timeout=timeout,
                    path=os.path.join(manifest_file.tests_root, manifest_item.path),
-                   protocol=server_protocol(manifest_item))
+                   protocol=server_protocol(manifest_item),
+                   subdomain=manifest_item.subdomain)
 
     @property
     def id(self):
@@ -395,9 +398,9 @@ class TestharnessTest(Test):
 
     def __init__(self, tests_root, url, inherit_metadata, test_metadata,
                  timeout=None, path=None, protocol="http", testdriver=False,
-                 jsshell=False, scripts=None, quic=False):
+                 jsshell=False, scripts=None, subdomain=False, quic=False):
         Test.__init__(self, tests_root, url, inherit_metadata, test_metadata, timeout,
-                      path, protocol, quic)
+                      path, protocol, subdomain, quic)
 
         self.testdriver = testdriver
         self.jsshell = jsshell
@@ -422,6 +425,7 @@ class TestharnessTest(Test):
                    testdriver=testdriver,
                    jsshell=jsshell,
                    scripts=scripts,
+                   subdomain=manifest_item.subdomain,
                    quic=quic)
 
     @property
@@ -453,8 +457,8 @@ class ReftestTest(Test):
     test_type = "reftest"
 
     def __init__(self, tests_root, url, inherit_metadata, test_metadata, references,
-                 timeout=None, path=None, viewport_size=None, dpi=None, fuzzy=None, protocol="http",
-                 quic=False):
+                 timeout=None, path=None, viewport_size=None, dpi=None, fuzzy=None,
+                 protocol="http", quic=False):
         Test.__init__(self, tests_root, url, inherit_metadata, test_metadata, timeout,
                       path, protocol, quic)