Attempt to reduce usage of runtimeType (#31696)

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

@@ -11,3 +11,23 @@
 /// a particular block of code will not be executed in release mode, and hence
 /// can be removed.
 const bool kReleaseMode = bool.fromEnvironment('dart.vm.product', defaultValue: false);
+
+/// A constant that is true if the application was compiled in profile mode.
+///
+/// More specifically, this is a constant that is true if the application was
+/// compiled in Dart with the '-Ddart.vm.profile=true' flag.
+///
+/// Since this is a const value, it can be used to indicate to the compiler that
+/// a particular block of code will not be executed in profle mode, an hence
+/// can be removed.
+const bool kProfileMode = bool.fromEnvironment('dart.vm.profile', defaultValue: false);
+
+/// A constant that is true if the application was compiled in debug mode.
+///
+/// More specifically, this is a constant that is true if the application was
+/// not compiled with '-Ddart.vm.product=true' and '-Ddart.vm.profile=true'.
+///
+/// Since this is a const value, it can be used to indicate to the compiler that
+/// a particular block of code will not be executed in debug mode, and hence
+/// can be removed.
+const bool kDebugMode = !kReleaseMode && !kProfileMode;

packages/flutter/lib/src/widgets/implicit_animations.dart

@@ -280,7 +280,7 @@ abstract class ImplicitlyAnimatedWidgetState<T extends ImplicitlyAnimatedWidget>
     super.initState();
     _controller = AnimationController(
       duration: widget.duration,
-      debugLabel: '${widget.toStringShort()}',
+      debugLabel: kDebugMode ? '${widget.toStringShort()}' : null,
       vsync: this,
     );
     _updateCurve();

packages/flutter/lib/src/widgets/scroll_activity.dart

@@ -507,7 +507,7 @@ class BallisticScrollActivity extends ScrollActivity {
     TickerProvider vsync,
   ) : super(delegate) {
     _controller = AnimationController.unbounded(
-      debugLabel: '$runtimeType',
+      debugLabel: kDebugMode ? '$runtimeType' : null,
       vsync: vsync,
     )
       ..addListener(_tick)

packages/flutter/lib/src/widgets/ticker_provider.dart

@@ -90,7 +90,7 @@ mixin SingleTickerProviderStateMixin<T extends StatefulWidget> on State<T> imple
         'mixing in a SingleTickerProviderStateMixin, use a regular TickerProviderStateMixin.'
       );
     }());
-    _ticker = Ticker(onTick, debugLabel: 'created by $this');
+    _ticker = Ticker(onTick, debugLabel: kDebugMode ? 'created by $this' : null);
     // We assume that this is called from initState, build, or some sort of
     // event handler, and that thus TickerMode.of(context) would return true. We
     // can't actually check that here because if we're in initState then we're

packages/flutter_tools/lib/src/compile.dart

@@ -281,8 +281,12 @@ class KernelCompiler {
       command.add('--aot');
       command.add('--tfa');
     }
+    // If we're not targeting product (release) mode and we're still aot, then
+    // target profile mode.
     if (targetProductVm) {
       command.add('-Ddart.vm.product=true');
+    } else if (aot) {
+      command.add('-Ddart.vm.profile=true');
     }
     if (incrementalCompilerByteStorePath != null) {
       command.add('--incremental');