Remove duplicate global declaration of `UserMessages` (#142281)

Fixes https://github.com/flutter/flutter/issues/142286

This is a refactor. No code behavior changes should be observed.

packages/flutter_tools/lib/src/android/android_workflow.dart

@@ -11,7 +11,7 @@ import '../base/context.dart';
 import '../base/io.dart';
 import '../base/logger.dart';
 import '../base/platform.dart';
-import '../base/user_messages.dart' hide userMessages;
+import '../base/user_messages.dart';
 import '../base/version.dart';
 import '../convert.dart';
 import '../doctor_validator.dart';

packages/flutter_tools/lib/src/base/user_messages.dart

@@ -2,18 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'context.dart';
 import 'platform.dart';
 
-/// Contains messages produced by Flutter tools.
+/// Class containing some message strings that can be produced by Flutter tools.
 //
 // This allows partial reimplementations of the flutter tool to override
 // certain messages.
 // TODO(andrewkolos): It is unclear if this is worth keeping. See
 // https://github.com/flutter/flutter/issues/125155.
-UserMessages get userMessages => context.get<UserMessages>()!;
-
-/// Class containing message strings that can be produced by Flutter tools.
 class UserMessages {
   // Messages used in multiple components.
   String get flutterToolBugInstructions =>
@@ -211,11 +207,6 @@ class UserMessages {
       '$consequence\n'
       'To re-install $reinstallInstructions';
 
-  // Messages used in VsCodeValidator
-  String vsCodeVersion(String version) => 'version $version';
-  String vsCodeLocation(String location) => 'VS Code at $location';
-  String vsCodeFlutterExtensionMissing(String url) => 'Flutter extension not installed; install from\n$url';
-
   // Messages used in VisualStudioValidator
   String visualStudioVersion(String name, String version) => '$name version $version';
   String visualStudioLocation(String location) => 'Visual Studio at $location';

packages/flutter_tools/lib/src/context_runner.dart

@@ -278,7 +278,7 @@ Future<T> runInContext<T>(
         processManager: globals.processManager
       ),
       LocalEngineLocator: () => LocalEngineLocator(
-        userMessages: userMessages,
+        userMessages: globals.userMessages,
         logger: globals.logger,
         platform: globals.platform,
         fileSystem: globals.fs,

packages/flutter_tools/lib/src/doctor.dart

@@ -119,7 +119,7 @@ class _DefaultDoctorValidatorsProvider implements DoctorValidatorsProvider {
       ...IntelliJValidator.installedValidators(
         fileSystem: globals.fs,
         platform: platform,
-        userMessages: userMessages,
+        userMessages: globals.userMessages,
         plistParser: globals.plistParser,
         processManager: globals.processManager,
         logger: _logger,
@@ -134,7 +134,7 @@ class _DefaultDoctorValidatorsProvider implements DoctorValidatorsProvider {
         flutterVersion: () => globals.flutterVersion.fetchTagsAndGetVersion(clock: globals.systemClock),
         devToolsVersion: () => globals.cache.devToolsVersion,
         processManager: globals.processManager,
-        userMessages: userMessages,
+        userMessages: globals.userMessages,
         artifacts: globals.artifacts!,
         flutterRoot: () => Cache.flutterRoot!,
         operatingSystemUtils: globals.os,
@@ -150,7 +150,7 @@ class _DefaultDoctorValidatorsProvider implements DoctorValidatorsProvider {
         GroupedValidator(<DoctorValidator>[
           XcodeValidator(
             xcode: globals.xcode!,
-            userMessages: userMessages,
+            userMessages: globals.userMessages,
             iosSimulatorUtils: globals.iosSimulatorUtils!,
           ),
           globals.cocoapodsValidator!,
@@ -170,7 +170,7 @@ class _DefaultDoctorValidatorsProvider implements DoctorValidatorsProvider {
       if (linuxWorkflow.appliesToHostPlatform)
         LinuxDoctorValidator(
           processManager: globals.processManager,
-          userMessages: userMessages,
+          userMessages: globals.userMessages,
         ),
       if (windowsWorkflow!.appliesToHostPlatform)
         visualStudioValidator!,

packages/flutter_tools/lib/src/flutter_manifest.dart

@@ -9,8 +9,8 @@ import 'package:yaml/yaml.dart';
 import 'base/deferred_component.dart';
 import 'base/file_system.dart';
 import 'base/logger.dart';
-import 'base/user_messages.dart';
 import 'base/utils.dart';
+import 'globals.dart' as globals;
 import 'plugins.dart';
 
 /// Whether or not Impeller Scene 3D model import is enabled.
@@ -103,7 +103,7 @@ class FlutterManifest {
       version = Version.parse(verStr);
     } on Exception {
       if (!_hasShowInvalidVersionMsg) {
-        _logger.printStatus(userMessages.invalidVersionSettingHintMessage(verStr), emphasis: true);
+        _logger.printStatus(globals.userMessages.invalidVersionSettingHintMessage(verStr), emphasis: true);
         _hasShowInvalidVersionMsg = true;
       }
     }

packages/flutter_tools/lib/src/intellij/intellij_validator.dart

@@ -9,7 +9,7 @@ import '../base/file_system.dart';
 import '../base/io.dart';
 import '../base/logger.dart';
 import '../base/platform.dart';
-import '../base/user_messages.dart' hide userMessages;
+import '../base/user_messages.dart';
 import '../base/version.dart';
 import '../convert.dart';
 import '../doctor_validator.dart';

packages/flutter_tools/lib/src/runner/flutter_command.dart

@@ -15,7 +15,6 @@ import '../base/context.dart';
 import '../base/io.dart' as io;
 import '../base/io.dart';
 import '../base/os.dart';
-import '../base/user_messages.dart';
 import '../base/utils.dart';
 import '../build_info.dart';
 import '../build_system/build_system.dart';
@@ -1398,7 +1397,7 @@ abstract class FlutterCommand extends Command<void> {
           commandResult = await verifyThenRunCommand(commandPath);
         } finally {
           final DateTime endTime = globals.systemClock.now();
-          globals.printTrace(userMessages.flutterElapsedTime(name, getElapsedAsMilliseconds(endTime.difference(startTime))));
+          globals.printTrace(globals.userMessages.flutterElapsedTime(name, getElapsedAsMilliseconds(endTime.difference(startTime))));
           if (commandPath != null) {
             _sendPostUsage(
               commandPath,
@@ -1825,7 +1824,7 @@ Run 'flutter -h' (or 'flutter <command> -h') for available flutter commands and
       return null;
     }
     if (deviceList.length > 1) {
-      globals.printStatus(userMessages.flutterSpecifyDevice);
+      globals.printStatus(globals.userMessages.flutterSpecifyDevice);
       deviceList = await globals.deviceManager!.getAllDevices();
       globals.printStatus('');
       await Device.printDevices(deviceList, globals.logger);
@@ -1844,7 +1843,7 @@ Run 'flutter -h' (or 'flutter <command> -h') for available flutter commands and
       // until one can be found.
       final String? path = findProjectRoot(globals.fs, globals.fs.currentDirectory.path);
       if (path == null) {
-        throwToolExit(userMessages.flutterNoPubspec);
+        throwToolExit(globals.userMessages.flutterNoPubspec);
       }
       if (path != globals.fs.currentDirectory.path) {
         globals.fs.currentDirectory = path;
@@ -1855,7 +1854,7 @@ Run 'flutter -h' (or 'flutter <command> -h') for available flutter commands and
     if (_usesTargetOption) {
       final String targetPath = targetFile;
       if (!globals.fs.isFileSync(targetPath)) {
-        throw ToolExit(userMessages.flutterTargetFileMissing(targetPath));
+        throw ToolExit(globals.userMessages.flutterTargetFileMissing(targetPath));
       }
     }
   }

packages/flutter_tools/lib/src/runner/flutter_command_runner.dart

@@ -13,7 +13,6 @@ import '../base/common.dart';
 import '../base/context.dart';
 import '../base/file_system.dart';
 import '../base/terminal.dart';
-import '../base/user_messages.dart';
 import '../base/utils.dart';
 import '../cache.dart';
 import '../convert.dart';
@@ -251,10 +250,10 @@ class FlutterCommandRunner extends CommandRunner<void> {
       try {
         wrapColumn = int.parse(topLevelResults[FlutterGlobalOptions.kWrapColumnOption] as String);
         if (wrapColumn < 0) {
-          throwToolExit(userMessages.runnerWrapColumnInvalid(topLevelResults[FlutterGlobalOptions.kWrapColumnOption]));
+          throwToolExit(globals.userMessages.runnerWrapColumnInvalid(topLevelResults[FlutterGlobalOptions.kWrapColumnOption]));
         }
       } on FormatException {
-        throwToolExit(userMessages.runnerWrapColumnParseError(topLevelResults[FlutterGlobalOptions.kWrapColumnOption]));
+        throwToolExit(globals.userMessages.runnerWrapColumnParseError(topLevelResults[FlutterGlobalOptions.kWrapColumnOption]));
       }
     }
 

packages/flutter_tools/lib/src/runner/local_engine.dart

@@ -9,7 +9,7 @@ import '../base/common.dart';
 import '../base/file_system.dart';
 import '../base/logger.dart';
 import '../base/platform.dart';
-import '../base/user_messages.dart' hide userMessages;
+import '../base/user_messages.dart';
 import '../cache.dart';
 import '../dart/package_map.dart';
 

packages/flutter_tools/lib/src/runner/target_devices.dart

@@ -8,7 +8,6 @@ import '../base/common.dart';
 import '../base/logger.dart';
 import '../base/platform.dart';
 import '../base/terminal.dart';
-import '../base/user_messages.dart';
 import '../device.dart';
 import '../globals.dart' as globals;
 import '../ios/devices.dart';
@@ -151,7 +150,7 @@ class TargetDevices {
     bool includeDevicesUnsupportedByProject = false,
   }) async {
     if (!globals.doctor!.canLaunchAnything) {
-      _logger.printError(userMessages.flutterNoDevelopmentDevice);
+      _logger.printError(globals.userMessages.flutterNoDevelopmentDevice);
       return null;
     }
 
@@ -215,7 +214,7 @@ class TargetDevices {
 
     _logger.printStatus(_deviceManager.hasSpecifiedAllDevices
         ? _noDevicesFoundMessage
-        : userMessages.flutterNoSupportedDevices);
+        : globals.userMessages.flutterNoSupportedDevices);
     await _printUnsupportedDevice(unsupportedDevices);
     return null;
   }
@@ -272,7 +271,7 @@ class TargetDevices {
         supportFilter: DeviceDiscoverySupportFilter.excludeDevicesUnsupportedByFlutter(),
       );
 
-      _logger.printStatus(userMessages.flutterSpecifyDeviceWithAllOption);
+      _logger.printStatus(globals.userMessages.flutterSpecifyDeviceWithAllOption);
       _logger.printStatus('');
     }
 
@@ -336,7 +335,7 @@ class TargetDevices {
         '\n',
       );
       result.writeln();
-      result.writeln(userMessages.flutterMissPlatformProjects(
+      result.writeln(globals.userMessages.flutterMissPlatformProjects(
         Device.devicesPlatformTypes(unsupportedDevices),
       ));
       _logger.printStatus(result.toString(), newline: false);
@@ -461,7 +460,7 @@ class TargetDevicesWithExtendedWirelessDeviceDiscovery extends TargetDevices {
     bool includeDevicesUnsupportedByProject = false,
   }) async {
     if (!globals.doctor!.canLaunchAnything) {
-      _logger.printError(userMessages.flutterNoDevelopmentDevice);
+      _logger.printError(globals.userMessages.flutterNoDevelopmentDevice);
       return null;
     }
 

packages/flutter_tools/lib/src/vscode/vscode_validator.dart

@@ -6,7 +6,6 @@ import 'package:process/process.dart';
 
 import '../base/file_system.dart';
 import '../base/platform.dart';
-import '../base/user_messages.dart';
 import '../doctor_validator.dart';
 import 'vscode.dart';
 
@@ -27,8 +26,8 @@ class VsCodeValidator extends DoctorValidator {
       List<ValidationMessage>.from(_vsCode.validationMessages);
 
     final String vsCodeVersionText = _vsCode.version == null
-        ? userMessages.vsCodeVersion('unknown')
-        : userMessages.vsCodeVersion(_vsCode.version.toString());
+        ? 'version unknown'
+        : 'version ${_vsCode.version}';
 
     if (_vsCode.version == null) {
       validationMessages.add(const ValidationMessage.error('Unable to determine VS Code version.'));

packages/flutter_tools/lib/src/windows/visual_studio_validator.dart

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import '../base/context.dart';
-import '../base/user_messages.dart' hide userMessages;
+import '../base/user_messages.dart';
 import '../doctor_validator.dart';
 import 'visual_studio.dart';
 

packages/flutter_tools/test/commands.shard/hermetic/run_test.dart

@@ -17,7 +17,6 @@ import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/base/platform.dart';
 import 'package:flutter_tools/src/base/terminal.dart';
-import 'package:flutter_tools/src/base/user_messages.dart';
 import 'package:flutter_tools/src/build_info.dart';
 import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/daemon.dart';
@@ -419,7 +418,7 @@ void main() {
         expect(
           testLogger.statusText,
           containsIgnoringWhitespace(
-            userMessages.flutterMissPlatformProjects(
+            globals.userMessages.flutterMissPlatformProjects(
               Device.devicesPlatformTypes(<Device>[mockDevice]),
             ),
           ),

packages/flutter_tools/test/general.shard/windows/visual_studio_validator_test.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter_tools/src/base/user_messages.dart' hide userMessages;
+import 'package:flutter_tools/src/base/user_messages.dart';
 import 'package:flutter_tools/src/doctor_validator.dart';
 import 'package:flutter_tools/src/windows/visual_studio.dart';
 import 'package:flutter_tools/src/windows/visual_studio_validator.dart';
@@ -10,11 +10,11 @@ import 'package:test/fake.dart';
 
 import '../../src/common.dart';
 
-final UserMessages userMessages = UserMessages();
 
 void main() {
   group('Visual Studio validation', () {
     late FakeVisualStudio fakeVisualStudio;
+    final UserMessages userMessages = UserMessages();
 
     setUp(() {
       fakeVisualStudio = FakeVisualStudio();