Flutter style guide: Prefer naming the argument to a setter 'value' (#8691)

diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart
index e4656a7..2388723 100644
--- a/packages/flutter_tools/lib/src/devfs.dart
+++ b/packages/flutter_tools/lib/src/devfs.dart
@@ -113,8 +113,8 @@
 
   List<int> get bytes => _bytes;
 
-  set bytes(List<int> newBytes) {
-    _bytes = newBytes;
+  set bytes(List<int> value) {
+    _bytes = value;
     _isModified = true;
   }
 
@@ -145,14 +145,14 @@
 
   String get string => _string;
 
-  set string(String newString) {
-    _string = newString;
+  set string(String value) {
+    _string = value;
     super.bytes = UTF8.encode(_string);
   }
 
   @override
-  set bytes(List<int> newBytes) {
-    string = UTF8.decode(newBytes);
+  set bytes(List<int> value) {
+    string = UTF8.decode(value);
   }
 }
 
diff --git a/packages/flutter_tools/lib/src/runner/flutter_command.dart b/packages/flutter_tools/lib/src/runner/flutter_command.dart
index f8f3a7f..3c7c92d 100644
--- a/packages/flutter_tools/lib/src/runner/flutter_command.dart
+++ b/packages/flutter_tools/lib/src/runner/flutter_command.dart
@@ -77,8 +77,8 @@
       help: 'Build a release version of your app${defaultToRelease ? ' (default mode)' : ''}.');
   }
 
-  set defaultBuildMode(BuildMode buildMode) {
-    _defaultBuildMode = buildMode;
+  set defaultBuildMode(BuildMode value) {
+    _defaultBuildMode = value;
   }
 
   BuildMode getBuildMode() {