Support lazy build debugging

dwds/CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 23.4.0-wip
 
+- Migrate injected client code to `package:web`. - [#2306](https://github.com/dart-lang/webdev/pull/2306)
 - Adding tests for constants in DDC after a hot restart - [#2349](https://github.com/dart-lang/webdev/pull/2349)
 
 ## 23.3.0

dwds/lib/data/connect_request.dart

@@ -2,6 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:built_collection/built_collection.dart';
 import 'package:built_value/built_value.dart';
 import 'package:built_value/serializer.dart';
 
@@ -18,12 +19,15 @@ abstract class ConnectRequest
 
   ConnectRequest._();
 
+  /// Whole app name.
+  String get appName;
+
   /// Identifies a given application, across tabs/windows.
   String get appId;
 
   /// Identifies a given instance of an application, unique per tab/window.
   String get instanceId;
 
   /// The entrypoint for the Dart application.
-  String get entrypointPath;
+  BuiltList<String> get entrypoints;
 }

dwds/lib/data/register_entrypoint_request.dart

@@ -0,0 +1,27 @@
+// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+part 'register_entrypoint_request.g.dart';
+
+/// A request to load entrypoint metadata.
+abstract class RegisterEntrypointRequest
+    implements
+        Built<RegisterEntrypointRequest, RegisterEntrypointRequestBuilder> {
+  static Serializer<RegisterEntrypointRequest> get serializer =>
+      _$registerEntrypointRequestSerializer;
+
+  factory RegisterEntrypointRequest(
+          [Function(RegisterEntrypointRequestBuilder) updates]) =
+      _$RegisterEntrypointRequest;
+
+  RegisterEntrypointRequest._();
+
+  String get appName;
+
+  /// The entrypoint for the Dart application.
+  String get entrypointPath;
+}