Update web-platform-tests to revision c26470dac73f2df9d4822a0d3482f7eb1ebf57d9

tests/wpt/web-platform-tests/FileAPI/url/url-with-fetch.any.js

@@ -0,0 +1,53 @@
+// META: script=resources/fetch-tests.js
+
+function fetch_should_succeed(test, request) {
+  return fetch(request).then(response => response.text());
+}
+
+function fetch_should_fail(test, url, method = 'GET') {
+  return promise_rejects(test, new TypeError, fetch(url, {method: method}));
+}
+
+fetch_tests('fetch', fetch_should_succeed, fetch_should_fail);
+
+promise_test(t => {
+  const blob_contents = 'test blob contents';
+  const blob_type = 'image/png';
+  const blob = new Blob([blob_contents], {type: blob_type});
+  const url = URL.createObjectURL(blob);
+
+  return fetch(url).then(response => {
+    assert_equals(response.headers.get('Content-Type'), blob_type);
+  });
+}, 'fetch should return Content-Type from Blob');
+
+promise_test(t => {
+  const blob_contents = 'test blob contents';
+  const blob = new Blob([blob_contents]);
+  const url = URL.createObjectURL(blob);
+  const request = new Request(url);
+
+  // Revoke the object URL.  Request should take a reference to the blob as
+  // soon as it receives it in open(), so the request succeeds even though we
+  // revoke the URL before calling fetch().
+  URL.revokeObjectURL(url);
+
+  return fetch_should_succeed(t, request).then(text => {
+    assert_equals(text, blob_contents);
+  });
+}, 'Revoke blob URL after creating Request, will fetch');
+
+promise_test(function(t) {
+  const blob_contents = 'test blob contents';
+  const blob = new Blob([blob_contents]);
+  const url = URL.createObjectURL(blob);
+
+  const result = fetch_should_succeed(t, url).then(text => {
+    assert_equals(text, blob_contents);
+  });
+
+  // Revoke the object URL. fetch should have already resolved the blob URL.
+  URL.revokeObjectURL(url);
+
+  return result;
+}, 'Revoke blob URL after calling fetch, fetch should succeed');