Remove unused code (#5301)

Removes unused code, detected by `check-unused-code`.

Author: incendial

packages/devtools_app/integration_test/test_infra/run/_test_app_driver.dart

@@ -15,8 +15,6 @@ class TestFlutterApp extends _TestApp {
   TestFlutterApp({String appPath = 'test/test_infra/fixtures/flutter_app'})
       : super(appPath);
 
-  Directory get workingDirectory => Directory(testAppPath);
-
   @override
   Future<void> startProcess() async {
     runProcess = await Process.start(

packages/devtools_app/lib/src/app.dart

@@ -242,7 +242,6 @@ class DevToolsAppState extends State<DevToolsApp> with AutoDisposeMixin {
               providers: _providedControllers(),
               child: DevToolsScaffold(
                 embed: embed,
-                ideTheme: ideTheme,
                 page: page,
                 screens: screens,
                 actions: [

packages/devtools_app/lib/src/framework/initializer.dart

@@ -10,6 +10,7 @@ import 'package:flutter/material.dart';
 import '../shared/analytics/analytics.dart' as ga;
 import '../shared/analytics/constants.dart' as gac;
 import '../shared/common_widgets.dart';
+import '../shared/framework_controller.dart';
 import '../shared/globals.dart';
 import '../shared/primitives/auto_dispose.dart';
 import '../shared/primitives/utils.dart';
@@ -104,7 +105,7 @@ class _InitializerState extends State<Initializer>
   /// Connects to the VM with the given URI. This request usually comes from the
   /// IDE via the server API to reuse the DevTools window after being disconnected
   /// (for example if the user stops a debug session then launches a new one).
-  void _connectVm(event) {
+  void _connectVm(ConnectVmEvent event) {
     DevToolsRouterDelegate.of(context).updateArgsIfChanged({
       'uri': event.serviceProtocolUri.toString(),
       if (event.notify) 'notify': 'true',

packages/devtools_app/lib/src/framework/scaffold.dart

@@ -41,7 +41,6 @@ class DevToolsScaffold extends StatefulWidget {
     this.page,
     this.actions,
     this.embed = false,
-    required this.ideTheme,
   }) : super(key: key);
 
   DevToolsScaffold.withChild({
@@ -52,7 +51,6 @@ class DevToolsScaffold extends StatefulWidget {
   }) : this(
           key: key,
           screens: [SimpleScreen(child)],
-          ideTheme: ideTheme,
           actions: actions,
         );
 
@@ -85,9 +83,6 @@ class DevToolsScaffold extends StatefulWidget {
   /// Whether to render the embedded view (without the header).
   final bool embed;
 
-  /// IDE-supplied theming.
-  final IdeTheme ideTheme;
-
   /// Actions that it's possible to perform in this Scaffold.
   ///
   /// These will generally be [RegisteredServiceExtensionButton]s.

packages/devtools_app/lib/src/screens/debugger/codeview.dart

@@ -282,7 +282,7 @@ class _CodeViewState extends State<CodeView>
         return Stack(
           children: [
             scriptRef == null
-                ? CodeViewEmptyState(widget: widget, context: context)
+                ? CodeViewEmptyState(widget: widget)
                 : buildCodeArea(context),
             if (showFileOpener)
               Positioned(
@@ -544,11 +544,9 @@ class CodeViewEmptyState extends StatelessWidget {
   const CodeViewEmptyState({
     super.key,
     required this.widget,
-    required this.context,
   });
 
   final CodeView widget;
-  final BuildContext context;
 
   @override
   Widget build(BuildContext context) {
@@ -619,10 +617,7 @@ class ProfileInformationGutter extends StatelessWidget {
                       if (data == null) {
                         return const SizedBox();
                       }
-                      return ProfileInformationGutterItem(
-                        lineNumber: lineNum,
-                        profilerData: data,
-                      );
+                      return ProfileInformationGutterItem(profilerData: data);
                     },
                   ),
                 ),
@@ -692,12 +687,9 @@ class _ProfileInformationGutterHeader extends StatelessWidget {
 class ProfileInformationGutterItem extends StatelessWidget {
   const ProfileInformationGutterItem({
     Key? key,
-    required this.lineNumber,
     required this.profilerData,
   }) : super(key: key);
 
-  final int lineNumber;
-
   final ProfileReportEntry profilerData;
 
   @override

packages/devtools_app/lib/src/screens/debugger/debugger_model.dart

@@ -253,15 +253,6 @@ class FileNode extends TreeNode<FileNode> {
   /// This exists to allow for O(1) lookup of children when building the tree.
   final Map<String, FileNode> _childrenAsMap = {};
 
-  bool get hasScript => scriptRef != null;
-
-  String _fileName = '';
-
-  /// Returns the name of the file.
-  ///
-  /// May be empty.
-  String get fileName => _fileName;
-
   /// Given a flat list of service protocol scripts, return a tree of scripts
   /// representing the best hierarchical grouping.
   static List<FileNode> createRootsFrom(List<ScriptRef> scripts) {
@@ -278,7 +269,6 @@ class FileNode extends TreeNode<FileNode> {
       }
 
       node.scriptRef = script;
-      node._fileName = ScriptRefUtils.fileName(script);
     }
 
     // Clear out the _childrenAsMap map.

packages/devtools_app/lib/src/screens/debugger/program_explorer.dart

@@ -21,7 +21,6 @@ import 'program_explorer_model.dart';
 
 const containerIcon = Icons.folder;
 const libraryIcon = Icons.insert_drive_file;
-const listItemHeight = 40.0;
 
 double get _programExplorerRowHeight => scaleByFontFactor(22.0);
 double get _selectedNodeTopSpacing => _programExplorerRowHeight * 3;
@@ -428,14 +427,12 @@ class ProgramExplorer extends StatelessWidget {
     required this.controller,
     this.title = 'File Explorer',
     this.onNodeSelected,
-    this.displayCodeNodes = false,
     this.displayHeader = true,
   });
 
   final ProgramExplorerController controller;
   final String title;
   final void Function(VMServiceObjectNode)? onNodeSelected;
-  final bool displayCodeNodes;
   final bool displayHeader;
 
   @override

packages/devtools_app/lib/src/screens/inspector/inspector_data_models.dart

@@ -128,23 +128,6 @@ class LayoutProperties {
     }
   }
 
-  factory LayoutProperties.lerp(
-    LayoutProperties begin,
-    LayoutProperties end,
-    double t,
-  ) {
-    return LayoutProperties.values(
-      node: end.node,
-      children: end.children,
-      constraints: BoxConstraints.lerp(begin.constraints, end.constraints, t),
-      description: end.description,
-      flexFactor: begin.flexFactor! * (t + 1) - end.flexFactor! * t,
-      isFlex: begin.isFlex && end.isFlex,
-      size: Size.lerp(begin.size, end.size, t)!,
-      flexFit: end.flexFit,
-    );
-  }
-
   LayoutProperties? parent;
   final RemoteDiagnosticsNode node;
   final List<LayoutProperties> children;

packages/devtools_app/lib/src/screens/inspector/layout_explorer/box/box.dart

@@ -377,8 +377,6 @@ class BoxChildVisualizer extends StatelessWidget {
   final LayoutProperties layoutProperties;
   final RenderProperties renderProperties;
 
-  LayoutProperties? get root => state.properties;
-
   LayoutProperties? get properties => renderProperties.layoutProperties;
 
   @override

packages/devtools_app/lib/src/screens/inspector/layout_explorer/ui/layout_explorer_widget.dart

@@ -89,8 +89,6 @@ abstract class LayoutExplorerWidgetState<W extends LayoutExplorerWidget,
   /// Whether this layout explorer can work with this kind of node.
   bool shouldDisplay(RemoteDiagnosticsNode node);
 
-  Size get size => properties!.size;
-
   List<LayoutProperties> get children => properties!.displayChildren;
 
   LayoutProperties? highlighted;