Pass events loop to glwindow test webvr implementation

ports/glutin/Cargo.toml

@@ -54,7 +54,7 @@ lazy_static = "1"
 libservo = {path = "../../components/servo"}
 libc = "0.2"
 log = "0.4"
-rust-webvr = { version = "0.11", features = ["glwindow"] }
+rust-webvr = { version = "0.12", features = ["glwindow"] }
 tinyfiledialogs = "3.0"
 
 [target.'cfg(any(target_os = "linux", target_os = "windows"))'.dependencies]

ports/glutin/embedder.rs

@@ -8,6 +8,7 @@ use crate::app;
 use crate::events_loop::EventsLoop;
 use gleam::gl;
 use glutin;
+use glutin::EventsLoopClosed;
 use glutin::dpi::LogicalSize;
 use rust_webvr::GlWindowVRService;
 use servo::compositing::windowing::EmbedderMethods;
@@ -46,6 +47,10 @@ impl EmbedderMethods for EmbedderCallbacks {
                 let name = String::from("Test VR Display");
                 let size = opts::get().initial_window_size.to_f64();
                 let size = LogicalSize::new(size.width, size.height);
+                let events_loop_clone = self.events_loop.clone();
+                let events_loop_factory = Box::new(move || {
+                    events_loop_clone.borrow_mut().take().ok_or(EventsLoopClosed)
+                });
                 let window_builder = glutin::WindowBuilder::new()
                     .with_title(name.clone())
                     .with_dimensions(size)
@@ -57,7 +62,7 @@ impl EmbedderMethods for EmbedderCallbacks {
                     .build_windowed(window_builder, &*self.events_loop.borrow().as_winit())
                     .expect("Failed to create window.");
                 let gl = self.gl.clone();
-                let (service, heartbeat) = GlWindowVRService::new(name, context, gl);
+                let (service, heartbeat) = GlWindowVRService::new(name, context, events_loop_factory, gl);
 
                 services.register(Box::new(service));
                 heartbeats.push(Box::new(heartbeat));

ports/glutin/events_loop.rs

@@ -44,6 +44,9 @@ impl EventsLoop {
     pub fn as_winit(&self) -> &glutin::EventsLoop {
         &self.0.as_ref().expect("Can't access winit event loop while using the fake headless event loop")
     }
+    pub fn take(&mut self) -> Option<glutin::EventsLoop> {
+        self.0.take()
+    }
     pub fn poll_events<F>(&mut self, callback: F) where F: FnMut(glutin::Event) {
         if let Some(ref mut events_loop) = self.0 {
             events_loop.poll_events(callback);

ports/libmlservo/Cargo.toml

@@ -19,7 +19,7 @@ raqote_backend = ["simpleservo/raqote_backend"]
 [dependencies]
 libservo = { path = "../../components/servo", features = ["no_static_freetype"] }
 simpleservo = { path = "../libsimpleservo/api", features = ["no_static_freetype"] }
-rust-webvr = { version = "0.11", features = ["magicleap"] }
+rust-webvr = { version = "0.12", features = ["magicleap"] }
 libc = "0.2"
 log = "0.4"
 servo-egl = "0.2"