Bug 1702343 [wpt PR 28322] - FSA: Make startIn field non-nullable, a=testonly

Automatic update from web-platform-tests
FSA: Make startIn field non-nullable

Change this to match the spec.

There was not much reason to have this nullable in the first place,
since the startIn field is optional.

Bug: 1194652
Change-Id: I7e77945aceb11b554fc7952f22c8b4bde044880d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2797570
Commit-Queue: Austin Sullivan <asully@chromium.org>
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Auto-Submit: Austin Sullivan <asully@chromium.org>
Cr-Commit-Position: refs/heads/master@{#868307}

--

wpt-commits: 1df8336646defce76dfacaff690d4ae2cff92727
wpt-pr: 28322

testing/web-platform/tests/file-system-access/showOpenFilePicker-manual.https.html

@@ -38,25 +38,5 @@
     }, 'showOpenFilePicker returns correct permissions');
   }, 'showOpenFilePicker works');
 
-  promise_test(async t => {
-    await window.test_driver.bless(
-      'show a file picker.<br />Please select file-system-access/resources/data/testfile.txt');
-    const files = await self.showOpenFilePicker({
-      multiple: false,
-      startIn: null,
-      types: [
-        { description: 'Text files', accept: { ' text/plain ': ['.txt'] } },
-        { description: 'Images', accept: { '  image/*  ': ['.jpg', '.jpeg', '.png'] } },
-      ],
-    });
-    assert_true(Array.isArray(files));
-    assert_equals(files.length, 1);
-    assert_true(files[0] instanceof FileSystemHandle);
-    assert_true(files[0] instanceof FileSystemFileHandle);
-    assert_equals(files[0].kind, "file");
-    assert_equals(files[0].name, 'testfile.txt');
-    assert_equals(await (await files[0].getFile()).text(), 'Hello World!\n');
-  }, 'showOpenFilePicker does not fail when starting directory is null');
-
 </script>
 

testing/web-platform/tests/file-system-access/showPicker-errors.https.window.js

@@ -86,6 +86,12 @@ function define_file_picker_error_tests(showPickerMethod) {
     }));
   }, showPickerMethod + ': unknown well-known starting directory.');
 
+  promise_test(async t => {
+    await promise_rejects_js(t, TypeError, self[showPickerMethod]({
+                               startIn: null,
+                             }));
+  }, showPickerMethod + ': starting directory can\t be null.');
+
   promise_test(async t => {
     await promise_rejects_js(t, TypeError, self[showPickerMethod]({
       id: "inv*l:d\\ chara<ters",