Make a SharedWorker blob URL inherits the parent controller.

Bug: 324939068

Change-Id: Ie3f43cb510c41930991f3704427b44a79d86d881
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5307317
Commit-Queue: Yoshisato Yanagisawa <[email protected]>
Reviewed-by: Hiroki Nakagawa <[email protected]>
Reviewed-by: Shunya Shishido <[email protected]>
Reviewed-by: Minoru Chikamune <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1263113}

service-workers/service-worker/local-url-inherit-controller.https.html

@@ -79,6 +79,15 @@
   });
 }, 'Same-origin blob URL worker should intercept fetch().');
 
+promise_test(function(t) {
+  return doAsyncTest(t, {
+    scheme: 'blob',
+    child: 'sharedworker',
+    check: 'fetch',
+    expect: 'intercept',
+  });
+}, 'Same-origin blob URL sharedworker should intercept fetch().');
+
 promise_test(function(t) {
   return doAsyncTest(t, {
     scheme: 'data',

service-workers/service-worker/resources/local-url-inherit-controller-frame.html

@@ -42,7 +42,19 @@
   self.postMessage(text);
 }).catch(e => {
   self.postMessage(e.message);
-});`
+});`;
+
+const sharedWorkerFetchText =
+`self.onconnect = (e) => {
+  const port = e.ports[0];
+  fetch('${fetchURL}', { mode: 'no-cors' }).then(response => {
+    return response.text();
+  }).then(text => {
+    port.postMessage(text);
+  }).catch(e => {
+    port.postMessage(e.message);
+  });
+};`;
 
 function getChildText(opts) {
   if (opts.child === 'iframe') {
@@ -69,6 +81,14 @@
     throw('unexpected feature to check: ' + opts.check);
   }
 
+  if (opts.child === 'sharedworker') {
+    if (opts.check === 'fetch') {
+      return sharedWorkerFetchText;
+    }
+
+    throw('unexpected feature to check: ' + opts.check);
+  }
+
   throw('unexpected child type ' + opts.child);
 }
 
@@ -98,6 +118,16 @@
   });
 }
 
+function testSharedWorkerChild(url) {
+  let w = new SharedWorker(url);
+  return new Promise((resolve, reject) => {
+    w.port.onmessage = resolve;
+    w.onerror = evt => {
+      reject(evt.message);
+    }
+  });
+}
+
 function testIframeChild(url) {
   let frame = document.createElement('iframe');
   frame.src = url;
@@ -115,6 +145,10 @@
     return testWorkerChild(url);
   }
 
+  if (opts.child === 'sharedworker') {
+    return testSharedWorkerChild(url);
+  }
+
   if (opts.child === 'iframe') {
     return testIframeChild(url);
   }