TF-3924 Thread Detail Memory leak resolve

core/lib/presentation/utils/shims/dart_ui.dart

@@ -1,10 +0,0 @@
-// Copyright 2019 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/// This file shims dart:ui in web-only scenarios, getting rid of the need to
-/// suppress analyzer warnings.
-
-// TODO(): flutter/flutter#55000 Remove this file once web-only dart:ui APIs
-// are exposed from a dedicated place.
-export 'dart_ui_fake.dart' if (dart.library.html) 'dart_ui_real.dart';

core/lib/presentation/utils/shims/dart_ui_fake.dart

@@ -1,21 +0,0 @@
-// Copyright 2019 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Fake interface for the logic that this package needs from (web-only) dart:ui.
-// This is conditionally exported so the analyzer sees these methods as available.
-
-/// Shim for web_ui engine.PlatformViewRegistry
-/// https://github.com/flutter/engine/blob/master/lib/web_ui/lib/ui.dart#L62
-// ignore: camel_case_types
-class platformViewRegistry {
-  /// Shim for registerViewFactory
-  /// https://github.com/flutter/engine/blob/master/lib/web_ui/lib/ui.dart#L72
-  static void registerViewFactory(
-      String viewTypeId, dynamic Function(int viewId) viewFactory) {}
-}
-
-/// Signature of callbacks that have no arguments and return no data.
-typedef VoidCallback = void Function();
-
-dynamic get window => null;

core/lib/presentation/utils/shims/dart_ui_real.dart

@@ -1,5 +0,0 @@
-// Copyright 2019 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-export 'dart:ui_web';