Auto merge of #25740 - gterzian:per_fetch_filemanager_handle, r=Manishearth

Per fetch file token for blob url

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Depends on https://github.com/servo/servo/pull/25724

First step of https://github.com/servo/servo/issues/25226

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- [ ] These changes fix #___ (GitHub issue number if applicable)

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- [ ] There are tests for these changes OR
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components/script/dom/globalscope.rs

@@ -1675,8 +1675,7 @@ impl GlobalScope {
         let resource_threads = self.resource_threads();
         let (chan, recv) = profile_ipc::channel(self.time_profiler_chan().clone()).unwrap();
         let origin = get_blob_origin(&self.get_url());
-        let check_url_validity = false;
-        let msg = FileManagerThreadMsg::ReadFile(chan, id, check_url_validity, origin);
+        let msg = FileManagerThreadMsg::ReadFile(chan, id, origin);
         let _ = resource_threads.send(CoreResourceMsg::ToFileManager(msg));
         recv
     }