Fix threading context.

src/VisualStudio/LiveShare/Impl/Client/Classification/RoslynClassificationService.Exports.cs

@@ -32,13 +32,14 @@ internal class CSharpLspEditorClassificationFactoryService : ILanguageServiceFac
     {
         private readonly RoslynLSPClientServiceFactory _roslynLSPClientServiceFactory;
         private readonly ClassificationTypeMap _classificationTypeMap;
-        private readonly ThreadingContext _threadingContext;
+        private readonly IThreadingContext _threadingContext;
 
         [ImportingConstructor]
         public CSharpLspEditorClassificationFactoryService(RoslynLSPClientServiceFactory roslynLSPClientServiceFactory, ClassificationTypeMap classificationTypeMap, IThreadingContext threadingContext)
         {
             _roslynLSPClientServiceFactory = roslynLSPClientServiceFactory ?? throw new ArgumentNullException(nameof(roslynLSPClientServiceFactory));
             _classificationTypeMap = classificationTypeMap ?? throw new ArgumentNullException(nameof(classificationTypeMap));
+            _threadingContext = threadingContext;
         }
 
         public ILanguageService CreateLanguageService(HostLanguageServices languageServices)

src/VisualStudio/LiveShare/Impl/Client/CodeActions/RoslynRemoteCodeAction.cs

@@ -63,7 +63,7 @@ protected override async Task<IEnumerable<CodeActionOperation>> ComputePreviewOp
                 return ImmutableArray<CodeActionOperation>.Empty;
             }
 
-            Document newDocument = await ApplyEditsAsync(_document, textEdits, cancellationToken).ConfigureAwait(false);
+            var newDocument = await ApplyEditsAsync(_document, textEdits, cancellationToken).ConfigureAwait(false);
             return ImmutableArray.Create(new ApplyChangesOperation(newDocument.Project.Solution));
         }
 

src/VisualStudio/LiveShare/Impl/Client/GotoDefinition/RoslynGotoDefinitionService.Exports.cs

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
-using System.Composition;
+/*using System.Composition;
 using Microsoft.CodeAnalysis.Editor;
 using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
@@ -26,4 +26,4 @@ internal class VBLspGotoDefinitionService : RoslynGotoDefinitionService
             RemoteLanguageServiceWorkspace remoteWorkspace, IThreadingContext threadingContext)
             : base(streamingPresenter, roslynLSPClientServiceFactory, remoteWorkspace, threadingContext) { }
     }
-}
+}*/

src/VisualStudio/LiveShare/Impl/Client/GotoDefinition/RoslynGotoDefinitionService.cs

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
-using System;
+/*using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
@@ -120,4 +120,4 @@ private async TPL.Task<ImmutableArray<DefinitionItem>> GetDefinitionItemsAsync(D
             return definitionItems.ToImmutable();
         }
     }
-}
+}*/

src/VisualStudio/LiveShare/Impl/Client/References/RoslynFindUsagesService.Exports..cs

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
-using System.Composition;
+/*using System.Composition;
 using Microsoft.CodeAnalysis.Editor.FindUsages;
 using Microsoft.CodeAnalysis.Host.Mef;
 
@@ -25,4 +25,4 @@ public VBLspFindUsagesService(RoslynLSPClientServiceFactory roslynLSPClientServi
         {
         }
     }
-}
+}*/

src/VisualStudio/LiveShare/Impl/Client/References/RoslynFindUsagesService.cs

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
-using System;
+/*using System;
 using System.Collections.Immutable;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis;
@@ -99,4 +99,4 @@ public async Task FindReferencesAsync(Document document, int position, IFindUsag
             }
         }
     }
-}
+}*/