Bridge Servo screenshot capture

crates/ely_servo_host/src/runtime_waker.rs

@@ -0,0 +1,27 @@
+use std::sync::{
+    Arc,
+    atomic::{AtomicBool, Ordering},
+};
+
+use servo::EventLoopWaker;
+
+#[derive(Clone)]
+pub(super) struct ServoWakeFlag {
+    requested: Arc<AtomicBool>,
+}
+
+impl ServoWakeFlag {
+    pub(super) fn new(requested: Arc<AtomicBool>) -> Self {
+        Self { requested }
+    }
+}
+
+impl EventLoopWaker for ServoWakeFlag {
+    fn clone_box(&self) -> Box<dyn EventLoopWaker> {
+        Box::new(self.clone())
+    }
+
+    fn wake(&self) {
+        self.requested.store(true, Ordering::Release);
+    }
+}