Reapply "Reapply "ReadableStream should be cancelled on aborting fetc…

…h streaming upload""

This reverts commit 826c3cab0db8660bf355979664daa9475d855cef.

This CL reapplies the CL fixing the ci test failure:
https://ci.chromium.org/ui/p/chromium/builders/ci/Linux%20Tests%20(dbg)(1)/119114/test-results?sortby=&groupby=
(see the diff from Patchset#1)

TEST: third_party/blink/tools/run_wpt_tests.py --release -p chrome external/wpt/webdriver/tests/bidi/network/

Fixed: 40071725
Change-Id: I021c29e016bef9f3ef7c980fa038a13bdd9a0369
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5363997
Commit-Queue: Yoichi Osato <[email protected]>
Reviewed-by: Adam Rice <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1272576}

fetch/api/basic/request-upload.h2.any.js

@@ -184,3 +184,26 @@ promise_test(async (t) => {
   await promise_rejects_js(t, TypeError, fetch(url, { method, body, duplex }));
 }, "Streaming upload should fail on a 401 response");
 
+promise_test(async (t) => {
+  const abortMessage = 'foo abort';
+  let streamCancelPromise = new Promise(async res => {
+    var stream = new ReadableStream({
+      cancel: function(reason) {
+        res(reason);
+      }
+    });
+    let abortController = new AbortController();
+    let fetchPromise = promise_rejects_exactly(t, abortMessage, fetch('', {
+                                                 method: 'POST',
+                                                 body: stream,
+                                                 duplex: 'half',
+                                                 signal: abortController.signal
+                                               }));
+    abortController.abort(abortMessage);
+    await fetchPromise;
+  });
+
+  let cancelReason = await streamCancelPromise;
+  assert_equals(
+      cancelReason, abortMessage, 'ReadableStream.cancel should be called.');
+}, 'ReadbleStream should be closed on signal.abort');