Roll Engine to 44ba0c7c4bfd (5 revisions) (#82310)

flutter/engine@3c93ad4...44ba0c7

2021-05-11 chris@bracken.jp Formatting cleanup for CONTRIBUTING.md
(flutter/engine#26080)
2021-05-11 chris@bracken.jp Add uwptool.exe (flutter/engine#26038)
2021-05-11 bkonyi@google.com Manual SDK roll for DevTools SDK
integration (flutter/engine#26075)
2021-05-11 skia-flutter-autoroll@skia.org Roll Skia from 96bc12d19b9e to
7c328b4b42c5 (5 revisions) (flutter/engine#26071)

2021-05-11 iska.kaushik@gmail.com Unique frame number for each frame
(flutter/engine#26021)

In https://github.com/flutter/engine/pull/26075 we rolled the Dart SDK
to the engine. This included updates to parameter names to Iterable.map
and Iterable.expand which triggers lints about renaming method
parameters in CachingIterable.map and CachingIterable.expand.

bin/internal/engine.version

-3c93ad4c55b7661b8cb49af48a88c745c8ce8f61
+44ba0c7c4bfdabaf9c796d6bd98564ee86855e71

packages/flutter/lib/src/foundation/basic_types.dart

@@ -136,8 +136,8 @@ class CachingIterable<E> extends IterableBase<E> {
   }
 
   @override
-  Iterable<T> map<T>(T Function(E e) f) {
-    return CachingIterable<T>(super.map<T>(f).iterator);
+  Iterable<T> map<T>(T Function(E e) toElement) {
+    return CachingIterable<T>(super.map<T>(toElement).iterator);
   }
 
   @override
@@ -146,8 +146,8 @@ class CachingIterable<E> extends IterableBase<E> {
   }
 
   @override
-  Iterable<T> expand<T>(Iterable<T> Function(E element) f) {
-    return CachingIterable<T>(super.expand<T>(f).iterator);
+  Iterable<T> expand<T>(Iterable<T> Function(E element) toElements) {
+    return CachingIterable<T>(super.expand<T>(toElements).iterator);
   }
 
   @override