clippy: Fix `unnecessary_cast` warnings in `components/script` (#31823)

* clippy: Fix unnecessary cast warnings

* clippy: Replace redundant field names with their shorthand alternatives

* clippy: Delete struct pattern dereferencings

1 files changed, 3 insertions, 3 deletions

diff --git a/components/script/dom/globalscope.rs b/components/script/dom/globalscope.rs
index 04c5933eef5..f0029bdf3d3 100644
--- a/components/script/dom/globalscope.rs
+++ b/components/script/dom/globalscope.rs
@@ -2001,7 +2001,7 @@ impl GlobalScope {
 
         let stream = ReadableStream::new_with_external_underlying_source(
             self,
-            ExternalUnderlyingSource::Blob(size as usize),
+            ExternalUnderlyingSource::Blob(size),
         );
 
         let recv = self.send_msg(file_id);
@@ -3171,7 +3171,7 @@ impl GlobalScope {
                             }
                         }
                         for i in (0..gamepad_list.Length()).rev() {
-                            if gamepad_list.Item(i as u32).is_none() {
+                            if gamepad_list.Item(i).is_none() {
                                 gamepad_list.remove_gamepad(i as usize);
                             } else {
                                 break;
@@ -3211,7 +3211,7 @@ impl GlobalScope {
                             if !window.Navigator().has_gamepad_gesture() && contains_user_gesture(update_type) {
                                 window.Navigator().set_has_gamepad_gesture(true);
                                 for i in 0..gamepad_list.Length() {
-                                    if let Some(gamepad) = gamepad_list.Item(i as u32) {
+                                    if let Some(gamepad) = gamepad_list.Item(i) {
                                         gamepad.set_exposed(true);
                                         gamepad.update_timestamp(*current_time);
                                         let new_gamepad = Trusted::new(&*gamepad);