Add more code comments

src/wkwebview/mod.rs

@@ -1054,6 +1054,7 @@ unsafe fn window_position(view: &NSView, x: i32, y: i32, height: f64) -> CGPoint
   CGPoint::new(x as f64, frame.size.height - y as f64 - height)
 }
 
+/// Wait synchronously for the NSRunLoop to run until a receiver has a message.
 unsafe fn wait_for_blocking_operation<T>(rx: std::sync::mpsc::Receiver<T>) -> Result<T> {
   let interval = 0.0002;
   let limit = 1.;
@@ -1064,13 +1065,12 @@ unsafe fn wait_for_blocking_operation<T>(rx: std::sync::mpsc::Receiver<T>) -> Re
     let limit_date = NSDate::dateWithTimeIntervalSinceNow(interval);
 
     let mode = NSString::from_str("NSDefaultRunLoopMode");
-
-    println!("Looping for cookies response");
     rl.acceptInputForMode_beforeDate(&mode, &limit_date);
     thread::sleep(Duration::from_secs_f64(interval));
 
     if let Ok(response) = rx.try_recv() {
       // Extra 1ms just to make sure our runloop is cleared.
+      // See https://github.com/tauri-apps/wry/pull/1486 for a writeup of why this was added.
       thread::sleep(Duration::from_millis(1));
       return Ok(response);
     }