Avoid storing type name string on AnyViewHandle

It won't be needed for leak error messages, because the typed
view handle will typically be created first. And this avoids
increasing the size of the handle used in production.

crates/gpui/src/app.rs

@@ -15,7 +15,7 @@ use platform::Event;
 use postage::oneshot;
 use smol::prelude::*;
 use std::{
-    any::{self, type_name, Any, TypeId},
+    any::{type_name, Any, TypeId},
     cell::RefCell,
     collections::{hash_map::Entry, BTreeMap, HashMap, HashSet, VecDeque},
     fmt::{self, Debug},
@@ -3382,8 +3382,8 @@ pub struct AnyViewHandle {
     window_id: usize,
     view_id: usize,
     view_type: TypeId,
-    type_name: &'static str,
     ref_counts: Arc<Mutex<RefCounts>>,
+
     #[cfg(any(test, feature = "test-support"))]
     handle_id: usize,
 }
@@ -3393,7 +3393,6 @@ impl AnyViewHandle {
         window_id: usize,
         view_id: usize,
         view_type: TypeId,
-        type_name: &'static str,
         ref_counts: Arc<Mutex<RefCounts>>,
     ) -> Self {
         ref_counts.lock().inc_view(window_id, view_id);
@@ -3403,13 +3402,12 @@ impl AnyViewHandle {
             .lock()
             .leak_detector
             .lock()
-            .handle_created(Some(type_name), view_id);
+            .handle_created(None, view_id);
 
         Self {
             window_id,
             view_id,
             view_type,
-            type_name,
             ref_counts,
             #[cfg(any(test, feature = "test-support"))]
             handle_id,
@@ -3456,7 +3454,6 @@ impl Clone for AnyViewHandle {
             self.window_id,
             self.view_id,
             self.view_type,
-            self.type_name,
             self.ref_counts.clone(),
         )
     }
@@ -3474,7 +3471,6 @@ impl<T: View> From<&ViewHandle<T>> for AnyViewHandle {
             handle.window_id,
             handle.view_id,
             TypeId::of::<T>(),
-            any::type_name::<T>(),
             handle.ref_counts.clone(),
         )
     }
@@ -3486,7 +3482,6 @@ impl<T: View> From<ViewHandle<T>> for AnyViewHandle {
             window_id: handle.window_id,
             view_id: handle.view_id,
             view_type: TypeId::of::<T>(),
-            type_name: any::type_name::<T>(),
             ref_counts: handle.ref_counts.clone(),
             #[cfg(any(test, feature = "test-support"))]
             handle_id: handle.handle_id,