[WebCodecs] Mark SharedWorker as unsupported in serialization.

Test incorrectly assumes SharedWorker support, so ensure it instead
tests that passing to a shared worker is unsupported.

Fixes w3c/webcodecs#635

Bug: 1412203
Change-Id: I596fa79508a3cd8e2ed253d9be378b142edca4d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4216102
Reviewed-by: Thomas Guilbert <tguilbert@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1101160}

third_party/blink/web_tests/FlagExpectations/disable-site-isolation-trials

@@ -82,7 +82,6 @@ crbug.com/1209223 external/wpt/html/browsers/browsing-the-web/navigating-across-
 
 # ====== New tests from wpt-importer added here ======
 crbug.com/626703 external/wpt/preload/prefetch-types.html [ Failure Timeout ]
-crbug.com/626703 external/wpt/webcodecs/videoFrame-serialization.crossAgentCluster.https.html [ Timeout ]
 crbug.com/626703 external/wpt/url/url-setters-a-area.window.html?exclude=(file|javascript|mailto) [ Crash Failure ]
 crbug.com/626703 virtual/idna-2008/external/wpt/url/a-element-origin.html [ Crash Failure ]
 crbug.com/626703 external/wpt/url/a-element-origin-xhtml.xhtml [ Crash Failure ]

third_party/blink/web_tests/TestExpectations

@@ -3017,7 +3017,6 @@ crbug.com/626703 external/wpt/css/mediaqueries/negation-001.html [ Failure ]
 crbug.com/626703 virtual/backface-visibility-interop/external/wpt/css/css-transforms/animation/translate-animation-on-svg.html [ Failure ]
 crbug.com/626703 [ Win10.20h2 ] virtual/media-foundation-for-clear-dcomp/external/wpt/media-source/dedicated-worker/mediasource-worker-detach-element.html [ Timeout ]
 crbug.com/626703 virtual/threaded/external/wpt/css/css-transforms/animation/translate-animation-on-svg.html [ Failure ]
-crbug.com/626703 external/wpt/webcodecs/videoFrame-serialization.crossAgentCluster.https.html [ Timeout ]
 crbug.com/626703 [ Mac11-arm64 ] external/wpt/density-size-correction/density-corrected-image-in-canvas.html [ Failure Timeout ]
 crbug.com/626703 [ Mac12-arm64 ] external/wpt/density-size-correction/density-corrected-image-in-canvas.html [ Failure Timeout ]
 crbug.com/626703 [ Mac12-arm64 ] virtual/fenced-frame-mparch/wpt_internal/fenced_frame/background-sync.https.html [ Timeout ]

third_party/blink/web_tests/external/wpt/webcodecs/videoFrame-serialization.crossAgentCluster.https.html

@@ -16,14 +16,17 @@
     };
   </script>
   <script id='sharedWorkerCode' type='javascript/worker'>
+    let received = new Map();
     self.onconnect = function (event) {
       const port = event.ports[0];
       port.onmessage = function (e) {
-        let frame = e.data.frame;
-        if (e.data.transfer) {
-          port.postMessage(frame, [frame]);
-        } else {
-          port.postMessage(frame);
+        if (e.data.hasOwnProperty('id')) {
+          port.postMessage(
+            received.get(e.data.id) ? 'RECEIVED' : 'NOT_RECEIVED');
+          return;
+        }
+        if (e.data.toString() == '[object VideoFrame]') {
+          received.set(e.data.timestamp, e.data);
         }
       };
     };
@@ -70,12 +73,12 @@
   const worker = new SharedWorker(window.URL.createObjectURL(blob));
   let frame = createVideoFrame(40);
   worker.port.postMessage({frame: frame, transfer: false});
+  worker.port.postMessage({'id': 40});
   const received = await new Promise(resolve => worker.port.onmessage = e => {
     resolve(e.data);
   });
-  assert_equals(received.toString(), '[object VideoFrame]');
-  assert_equals(received.timestamp, 40);
-}, 'Verify frames can be passed back and forth between main and sharedworker');
+  assert_equals(received, 'NOT_RECEIVED');
+}, 'Verify frames cannot be passed to sharedworker');
 
 promise_test(async () => {
   navigator.serviceWorker.register('videoFrame-serialization.crossAgentCluster.serviceworker.js');
@@ -124,12 +127,12 @@
   const worker = new SharedWorker(window.URL.createObjectURL(blob));
   let frame = createVideoFrame(90);
   worker.port.postMessage({frame: frame, transfer: true});
+  worker.port.postMessage({'id': 90});
   const received = await new Promise(resolve => worker.port.onmessage = e => {
     resolve(e.data);
   });
-  assert_equals(received.toString(), '[object VideoFrame]');
-  assert_equals(received.timestamp, 90);
-}, 'Verify frames can be transferred back and forth between main and sharedworker');
+  assert_equals(received, 'NOT_RECEIVED');
+}, 'Verify frames cannot be transferred to a sharedworker');
 
 promise_test(async () => {
   navigator.serviceWorker.register('videoFrame-serialization.crossAgentCluster.serviceworker.js');