Remove lifetime from the Event

Lifetimes don't work nicely when dealing with multithreaded environments
in the current design of the existing winit's event handling model, so
remove it in favor of `InnerSizeWriter` fences passed to client, so they
could try to update the size.

Fixes #1387.

src/platform_impl/web/event_loop/runner.rs

@@ -24,7 +24,7 @@ use web_time::{Duration, Instant};
 
 pub struct Shared<T: 'static>(Rc<Execution<T>>);
 
-pub(super) type EventHandler<T> = dyn FnMut(Event<'_, T>, &mut ControlFlow);
+pub(super) type EventHandler<T> = dyn FnMut(Event<T>, &mut ControlFlow);
 
 impl<T> Clone for Shared<T> {
     fn clone(&self) -> Self {
@@ -748,7 +748,7 @@ impl<T: 'static> Shared<T> {
 }
 
 pub(crate) enum EventWrapper<T: 'static> {
-    Event(Event<'static, T>),
+    Event(Event<T>),
     ScaleChange {
         canvas: Weak<RefCell<backend::Canvas>>,
         size: PhysicalSize<u32>,
@@ -756,8 +756,8 @@ pub(crate) enum EventWrapper<T: 'static> {
     },
 }
 
-impl<T> From<Event<'static, T>> for EventWrapper<T> {
-    fn from(value: Event<'static, T>) -> Self {
+impl<T> From<Event<T>> for EventWrapper<T> {
+    fn from(value: Event<T>) -> Self {
         Self::Event(value)
     }
 }