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';

core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart

@@ -4,7 +4,6 @@ import 'dart:math' as math;
 
 import 'package:core/presentation/constants/constants_ui.dart';
 import 'package:core/presentation/extensions/color_extension.dart';
-import 'package:core/presentation/utils/shims/dart_ui.dart' as ui;
 import 'package:core/utils/app_logger.dart';
 import 'package:core/utils/html/html_interaction.dart';
 import 'package:core/utils/html/html_template.dart';
@@ -370,22 +369,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb>
     _createdViewId = _getRandString(10);
     _htmlData = _generateHtmlDocument(widget.contentHtml);
 
-    final iframe = html.IFrameElement()
-      ..width = _actualWidth.toString()
-      ..height = _actualHeight.toString()
-      ..srcdoc = _htmlData ?? ''
-      ..style.border = 'none'
-      ..style.overflow = 'hidden'
-      ..style.width = '100%'
-      ..style.height = '100%';
-
-    ui.platformViewRegistry.registerViewFactory(_createdViewId, (int viewId) => iframe);
-
-    if (mounted) {
-      setState(() {
-        _webInit = Future.value(true);
-      });
-    }
+    _webInit = Future.value(true);
   }
 
   @override
@@ -413,9 +397,19 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb>
             future: _webInit,
             builder: (_, snapshot) {
               if (snapshot.hasData) {
-                final htmlView = HtmlElementView(
+                final htmlView = HtmlElementView.fromTagName(
                   key: ValueKey('$_htmlData-${widget.key}'),
-                  viewType: _createdViewId,
+                  tagName: 'iframe',
+                  onElementCreated: (element) {
+                    (element as html.IFrameElement)
+                      ..width = _actualWidth.toString()
+                      ..height = _actualHeight.toString()
+                      ..srcdoc = _htmlData ?? ''
+                      ..style.border = 'none'
+                      ..style.overflow = 'hidden'
+                      ..style.width = '100%'
+                      ..style.height = '100%';
+                  },
                 );
 
                 if (widget.viewMaxHeight != null) {