Revert "Sanitize host before calling pm (#49591)" (#49623)

This reverts commit c592b546.

packages/flutter_tools/lib/src/fuchsia/fuchsia_device.dart

@@ -27,7 +27,6 @@ import 'application_package.dart';
 import 'fuchsia_build.dart';
 import 'fuchsia_pm.dart';
 import 'fuchsia_sdk.dart';
-import 'fuchsia_utils.dart';
 import 'fuchsia_workflow.dart';
 import 'tiles_ctl.dart';
 
@@ -514,7 +513,12 @@ class FuchsiaDevice extends Device {
   void clearLogs() {}
 
   bool get ipv6 {
-    return isIPv6Address(id);
+    try {
+      Uri.parseIPv6Address(id);
+      return true;
+    } on FormatException {
+      return false;
+    }
   }
 
   /// List the ports currently running a dart observatory.

packages/flutter_tools/lib/src/fuchsia/fuchsia_pm.dart

@@ -10,7 +10,6 @@ import '../convert.dart';
 import '../globals.dart' as globals;
 
 import 'fuchsia_sdk.dart';
-import 'fuchsia_utils.dart';
 
 /// This is a basic wrapper class for the Fuchsia SDK's `pm` tool.
 class FuchsiaPM {
@@ -110,9 +109,6 @@ class FuchsiaPM {
     if (fuchsiaArtifacts.pm == null) {
       throwToolExit('Fuchsia pm tool not found');
     }
-    if (isIPv6Address(host.split('%').first)) {
-      host = '[${host.replaceAll('%', '%25')}]';
-    }
     final List<String> command = <String>[
       fuchsiaArtifacts.pm.path,
       'serve',

packages/flutter_tools/lib/src/fuchsia/fuchsia_utils.dart

-// Copyright 2014 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.
-
-/// Returns [true] if [address] is an IPv6 address.
-bool isIPv6Address(String address) {
-  try {
-    Uri.parseIPv6Address(address);
-    return true;
-  } on FormatException {
-    return false;
-  }
-}

packages/flutter_tools/test/general.shard/fuchsia/fuchsia_pm_test.dart

-// Copyright 2014 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.
-
-import 'dart:async';
-
-import 'package:flutter_tools/src/base/context.dart';
-import 'package:flutter_tools/src/base/file_system.dart';
-import 'package:flutter_tools/src/base/io.dart';
-import 'package:flutter_tools/src/base/process.dart';
-import 'package:flutter_tools/src/fuchsia/fuchsia_pm.dart';
-import 'package:flutter_tools/src/fuchsia/fuchsia_sdk.dart';
-import 'package:mockito/mockito.dart';
-
-import '../../src/common.dart';
-import '../../src/context.dart';
-import '../../src/mocks.dart';
-
-void main() {
-  group('FuchsiaPM', () {
-    MockFile pm;
-    MockProcessUtils mockProcessUtils;
-    MockFuchsiaArtifacts mockFuchsiaArtifacts;
-
-    setUp(() {
-      pm = MockFile();
-      when(pm.path).thenReturn('pm');
-
-      mockFuchsiaArtifacts = MockFuchsiaArtifacts();
-      when(mockFuchsiaArtifacts.pm).thenReturn(pm);
-
-      mockProcessUtils = MockProcessUtils();
-    });
-
-    testUsingContext('serve - IPv4 address', () async {
-      when(mockProcessUtils.start(any)).thenAnswer((_) {
-        return Future<Process>.value(createMockProcess());
-      });
-
-      await FuchsiaPM().serve('<repo>', '127.0.0.1', 43819);
-
-      verify(mockProcessUtils.start(<String>[
-        'pm',
-        'serve',
-        '-repo',
-        '<repo>',
-        '-l',
-        '127.0.0.1:43819',
-      ])).called(1);
-    }, overrides: <Type, Generator>{
-      FuchsiaArtifacts: () => mockFuchsiaArtifacts,
-      ProcessUtils: () => mockProcessUtils,
-    });
-
-    testUsingContext('serve - IPv6 address', () async {
-      when(mockProcessUtils.start(any)).thenAnswer((_) {
-        return Future<Process>.value(createMockProcess());
-      });
-
-      await FuchsiaPM().serve('<repo>', 'fe80::ec4:7aff:fecc:ea8f%eno2', 43819);
-
-      verify(mockProcessUtils.start(<String>[
-        'pm',
-        'serve',
-        '-repo',
-        '<repo>',
-        '-l',
-        '[fe80::ec4:7aff:fecc:ea8f%25eno2]:43819',
-      ])).called(1);
-    }, overrides: <Type, Generator>{
-      FuchsiaArtifacts: () => mockFuchsiaArtifacts,
-      ProcessUtils: () => mockProcessUtils,
-    });
-  });
-}
-
-class MockFuchsiaArtifacts extends Mock implements FuchsiaArtifacts {}
-class MockProcessUtils extends Mock implements ProcessUtils {}
-class MockFile extends Mock implements File {}
-class MockProcess extends Mock implements Process {}