[ DWDS ] Launch DDS when using the web socket proxy service (#2706)

DDS is needed to serve DevTools, so the web socket proxy service should
be setup to launch DDS at startup.

This change also includes some significant refactors to reduce the
amount of duplicate code that could be shared by the Chrome and
web socket service implementations.

Author: bkonyi

dwds/CHANGELOG.md

@@ -1,6 +1,10 @@
+## 26.2.1-wip
+
+- Add support for DDS APIs and serving Dart DevTools when no Chrome Debugger is available.
+
 ## 26.2.0
 
-- Add support for more service APIs over websocket connections with no Chrome Debugger available.
+- Add support for more service APIs over websocket connections when no Chrome Debugger is available.
 
 ## 26.1.0
 

dwds/lib/dwds.dart

@@ -34,7 +34,8 @@ export 'src/readers/frontend_server_asset_reader.dart'
     show FrontendServerAssetReader;
 export 'src/readers/proxy_server_asset_reader.dart' show ProxyServerAssetReader;
 export 'src/servers/devtools.dart';
-export 'src/services/chrome_debug_exception.dart' show ChromeDebugException;
+export 'src/services/chrome/chrome_debug_exception.dart'
+    show ChromeDebugException;
 export 'src/services/expression_compiler.dart'
     show
         ExpressionCompilationResult,

dwds/lib/src/connections/debug_connection.dart

@@ -5,7 +5,7 @@
 import 'dart:async';
 
 import 'package:dwds/src/services/app_debug_services.dart';
-import 'package:dwds/src/services/chrome_proxy_service.dart';
+import 'package:dwds/src/services/chrome/chrome_proxy_service.dart';
 import 'package:vm_service/vm_service.dart';
 
 /// A debug connection between the application in the browser and DWDS.

dwds/lib/src/debugging/classes.dart

@@ -5,7 +5,7 @@
 import 'package:dwds/src/config/tool_configuration.dart';
 import 'package:dwds/src/debugging/chrome_inspector.dart';
 import 'package:dwds/src/debugging/metadata/class.dart';
-import 'package:dwds/src/services/chrome_debug_exception.dart';
+import 'package:dwds/src/services/chrome/chrome_debug_exception.dart';
 import 'package:dwds/src/utilities/shared.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart';

dwds/lib/src/debugging/debugger.dart

@@ -12,7 +12,7 @@ import 'package:dwds/src/debugging/inspector.dart';
 import 'package:dwds/src/debugging/location.dart';
 import 'package:dwds/src/debugging/remote_debugger.dart';
 import 'package:dwds/src/debugging/skip_list.dart';
-import 'package:dwds/src/services/chrome_debug_exception.dart';
+import 'package:dwds/src/services/chrome/chrome_debug_exception.dart';
 import 'package:dwds/src/utilities/dart_uri.dart';
 import 'package:dwds/src/utilities/domain.dart';
 import 'package:dwds/src/utilities/objects.dart' show Property;

dwds/lib/src/debugging/libraries.dart

@@ -8,7 +8,7 @@ import 'package:dwds/src/debugging/chrome_inspector.dart';
 import 'package:dwds/src/debugging/inspector.dart';
 import 'package:dwds/src/debugging/metadata/class.dart';
 import 'package:dwds/src/debugging/metadata/provider.dart';
-import 'package:dwds/src/services/chrome_debug_exception.dart';
+import 'package:dwds/src/services/chrome/chrome_debug_exception.dart';
 import 'package:logging/logging.dart';
 import 'package:meta/meta.dart';
 import 'package:vm_service/vm_service.dart';

dwds/lib/src/debugging/metadata/class.dart

@@ -4,7 +4,7 @@
 
 import 'package:dwds/src/config/tool_configuration.dart';
 import 'package:dwds/src/debugging/chrome_inspector.dart';
-import 'package:dwds/src/services/chrome_debug_exception.dart';
+import 'package:dwds/src/services/chrome/chrome_debug_exception.dart';
 import 'package:logging/logging.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart';

dwds/lib/src/debugging/web_socket_inspector.dart

@@ -5,7 +5,7 @@
 import 'package:dwds/src/connections/app_connection.dart';
 import 'package:dwds/src/debugging/inspector.dart';
 import 'package:dwds/src/debugging/libraries.dart';
-import 'package:dwds/src/services/web_socket_proxy_service.dart';
+import 'package:dwds/src/services/web_socket/web_socket_proxy_service.dart';
 import 'package:dwds/src/utilities/shared.dart';
 import 'package:vm_service/vm_service.dart';
 
@@ -38,6 +38,7 @@ class WebSocketAppInspector extends AppInspector {
       breakpoints: [],
       isSystemIsolate: false,
       isolateFlags: [],
+      extensionRPCs: [],
     );
     final inspector = WebSocketAppInspector._(
       appConnection,