[PiP v2] Make options optional

Make the PictureInPictureOptions optional
because we can infer everything from the
element.

BUG=953957

Change-Id: I85865a02a403d7694795d22d2fe49d030a5c2bdc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1659151
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Reviewed-by: François Beaufort <beaufort.francois@gmail.com>
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671494}

third_party/blink/renderer/modules/picture_in_picture/html_element_picture_in_picture.idl

@@ -8,5 +8,5 @@
     RuntimeEnabled=PictureInPictureV2
 ]
 partial interface HTMLElement {
-    [CallWith=ScriptState, NewObject, RaisesException] Promise<PictureInPictureWindow> requestPictureInPicture(PictureInPictureOptions options);
+    [CallWith=ScriptState, NewObject, RaisesException] Promise<PictureInPictureWindow> requestPictureInPicture(optional PictureInPictureOptions options);
 };

third_party/blink/web_tests/media/picture-in-picture/v2/request-picture-in-picture.html

@@ -105,5 +105,13 @@ promise_test(async t => {
   const element = document.getElementById('example');
   return promise_rejects(t, new TypeError(), element.requestPictureInPicture({ width: 0, height: 10 }));
 }, 'request Picture-in-Picture requires width/height to not be zero (height zero)');
+
+promise_test(async t => {
+  enablePictureInPictureV2ForTest(t);
+
+  const element = document.getElementById('example');
+  await test_driver.bless('request Picture-in-Picture');
+  return element.requestPictureInPicture();
+}, 'request Picture-in-Picture does not require options');
 </script>
 </body>