script: Have Document own Layout (#32316)

Have `Document` own `Layout`. This makes it impossible to have a
`Document` without `Layout`, which was true, but now the compiler checks
it. In addition, `Layout` is now released when the `Document` is,
avoiding leaking the entire `Layout`.

components/script/dom/mediaquerylist.rs

@@ -73,8 +73,8 @@ impl MediaQueryList {
 
     pub fn evaluate(&self) -> bool {
         let quirks_mode = self.document.quirks_mode();
-        self.document
-            .with_device(move |device| self.media_query_list.evaluate(device, quirks_mode))
+        self.media_query_list
+            .evaluate(self.document.window().layout().device(), quirks_mode)
     }
 }