fixups

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

examples/chaos_game.rs

@@ -2,13 +2,14 @@
 //
 //! Demonstrates how to use `surfman` to draw to a window surface via the CPU.
 
-use euclid::default::Point2D;
+use euclid::default::{Point2D, Size2D};
 use rand::{self, Rng};
 use surfman::{SurfaceAccess, SurfaceType};
 use winit::dpi::PhysicalSize;
 use winit::event::WindowEvent::KeyboardInput;
 use winit::event::{DeviceEvent, Event, WindowEvent};
 use winit::event_loop::{ControlFlow, EventLoop};
+use winit::raw_window_handle::HasWindowHandle;
 use winit::window::WindowBuilder;
 
 #[cfg(target_os = "macos")]
@@ -45,7 +46,7 @@ fn main() {
     let window = WindowBuilder::new()
         .with_title("Chaos game example")
         .with_inner_size(physical_size)
-        .build(&event_loop)
+        .build(&event_loop.unwrap())
         .unwrap();
 
     window.set_visible(true);