Add fuchsia devices to daemon command (#25344)

packages/flutter_tools/lib/src/commands/daemon.dart

diff --git a/packages/flutter_tools/lib/src/commands/daemon.dart b/packages/flutter_tools/lib/src/commands/daemon.dart
index 1700c86..9292272 100644
--- a/packages/flutter_tools/lib/src/commands/daemon.dart
+++ b/packages/flutter_tools/lib/src/commands/daemon.dart
@@ -19,6 +19,7 @@
 import '../cache.dart';
 import '../device.dart';
 import '../emulator.dart';
+import '../fuchsia/fuchsia_device.dart';
 import '../globals.dart';
 import '../ios/devices.dart';
 import '../ios/simulators.dart';
@@ -567,6 +568,7 @@
     registerHandler('forward', forward);
     registerHandler('unforward', unforward);
 
+    addDeviceDiscoverer(FuchsiaDevices());
     addDeviceDiscoverer(AndroidDevices());
     addDeviceDiscoverer(IOSDevices());
     addDeviceDiscoverer(IOSSimulators());

packages/flutter_tools/test/commands/daemon_test.dart

diff --git a/packages/flutter_tools/test/commands/daemon_test.dart b/packages/flutter_tools/test/commands/daemon_test.dart
index fbdd8c4..bc0a9ff 100644
--- a/packages/flutter_tools/test/commands/daemon_test.dart
+++ b/packages/flutter_tools/test/commands/daemon_test.dart
@@ -7,6 +7,7 @@
 import 'package:flutter_tools/src/android/android_workflow.dart';
 import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/commands/daemon.dart';
+import 'package:flutter_tools/src/fuchsia/fuchsia_workflow.dart';
 import 'package:flutter_tools/src/globals.dart';
 import 'package:flutter_tools/src/ios/ios_workflow.dart';
 import 'package:flutter_tools/src/resident_runner.dart';
@@ -197,6 +198,7 @@
     }, overrides: <Type, Generator>{
       AndroidWorkflow: () => MockAndroidWorkflow(canListDevices: false),
       IOSWorkflow: () => MockIOSWorkflow(),
+      FuchsiaWorkflow: () => MockFuchsiaWorkflow(),
     });
 
     testUsingContext('device.getDevices should respond with list', () async {
@@ -241,6 +243,7 @@
     }, overrides: <Type, Generator>{
       AndroidWorkflow: () => MockAndroidWorkflow(),
       IOSWorkflow: () => MockIOSWorkflow(),
+      FuchsiaWorkflow: () => MockFuchsiaWorkflow(),
     });
 
     testUsingContext('emulator.launch without an emulatorId should report an error', () async {
@@ -303,6 +306,13 @@
 
 bool _isConnectedEvent(Map<String, dynamic> map) => map['event'] == 'daemon.connected';
 
+class MockFuchsiaWorkflow extends FuchsiaWorkflow {
+  MockFuchsiaWorkflow({ this.canListDevices = true });
+
+  @override
+  final bool canListDevices;
+}
+
 class MockAndroidWorkflow extends AndroidWorkflow {
   MockAndroidWorkflow({ this.canListDevices = true });