feat(servo): upgrade to latest secure upstream snapshot

crates/ely_servo_host/src/runtime.rs

@@ -47,9 +47,6 @@ pub struct SoftwareServoHost {
     default_surface_size: ServoSurfaceSize,
     rendering_context_kind: RenderingContextKind,
     webviews: HashMap<WebViewId, HostWebView>,
-    // Servo 0.1.0 can still run script tasks after a remote page moves away.
-    // Retain hidden about:blank WebViews until host shutdown releases them together.
-    retired_webviews: Vec<HostWebView>,
     permissions: PermissionStore,
     wake_requested: Arc<AtomicBool>,
     last_rendered_frame: Option<RenderedFrame>,
@@ -112,27 +109,7 @@ impl SoftwareServoHost {
     }
 
     pub fn close_webview(&mut self, webview_id: &WebViewId) -> bool {
-        let Some(webview) = self.webviews.remove(webview_id) else {
-            return false;
-        };
-        self.retire_webview(webview);
-        true
-    }
-
-    fn retire_webview(&mut self, webview: HostWebView) {
-        webview.webview.hide();
-        if let Ok(blank_url) = Url::parse("about:blank") {
-            webview.webview.load(blank_url);
-        }
-        for _ in 0..32 {
-            self.servo.spin_event_loop();
-            if webview.current_url().as_deref() == Some("about:blank")
-                && matches!(webview.state(), WebViewState::Complete)
-            {
-                break;
-            }
-        }
-        self.retired_webviews.push(webview);
+        self.webviews.remove(webview_id).is_some()
     }
 
     fn new_started(
@@ -155,7 +132,6 @@ impl SoftwareServoHost {
             default_surface_size: size,
             rendering_context_kind,
             webviews: HashMap::new(),
-            retired_webviews: Vec::new(),
             permissions: Rc::new(RefCell::new(HashMap::new())),
             wake_requested,
             last_rendered_frame: None,
@@ -399,11 +375,7 @@ impl ServoHost for SoftwareServoHost {
 
 impl Drop for SoftwareServoHost {
     fn drop(&mut self) {
-        let webviews = std::mem::take(&mut self.webviews);
-        for webview in webviews.into_values() {
-            self.retire_webview(webview);
-        }
-        self.retired_webviews.clear();
+        self.webviews.clear();
         self.drain_after_webview_close();
         SERVO_RUNTIME_STARTED.store(false, Ordering::Release);
     }