Merge pull request #33368 from jasonmalinowski/delete-unnecessary-code-around-workspace-eventing

Delete unnecessary code around Workspace eventing

src/VisualStudio/Core/Def/Implementation/Workspace/VisualStudioTaskSchedulerFactory.cs

@@ -30,51 +30,7 @@ public VisualStudioTaskSchedulerFactory(IThreadingContext threadingContext, IAsy
 
         public override IWorkspaceTaskScheduler CreateEventingTaskQueue()
         {
-            // When we are creating the workspace, we might not actually have established what the UI thread is, since
-            // we might be getting created via MEF. So we'll allow the queue to be created now, and once we actually need
-            // to queue something we'll then start using the task queue from there.
-            // In Visual Studio, we raise these events on the UI thread. At this point we should know
-            // exactly which thread that is.
-            return new VisualStudioTaskScheduler(this);
-        }
-
-        private class VisualStudioTaskScheduler : IWorkspaceTaskScheduler
-        {
-            private readonly Lazy<WorkspaceTaskQueue> _queue;
-            private readonly VisualStudioTaskSchedulerFactory _factory;
-
-            public VisualStudioTaskScheduler(VisualStudioTaskSchedulerFactory factory)
-            {
-                _factory = factory;
-                _queue = new Lazy<WorkspaceTaskQueue>(CreateQueue);
-            }
-
-            private WorkspaceTaskQueue CreateQueue()
-            {
-                // At this point, we have to know what the UI thread is.
-                Contract.ThrowIfFalse(_factory._threadingContext.HasMainThread);
-                return new WorkspaceTaskQueue(_factory, new JoinableTaskFactoryTaskScheduler(_factory._threadingContext.JoinableTaskFactory));
-            }
-
-            public Task ScheduleTask(Action taskAction, string taskName, CancellationToken cancellationToken = default)
-            {
-                return _queue.Value.ScheduleTask(taskAction, taskName, cancellationToken);
-            }
-
-            public Task<T> ScheduleTask<T>(Func<T> taskFunc, string taskName, CancellationToken cancellationToken = default)
-            {
-                return _queue.Value.ScheduleTask(taskFunc, taskName, cancellationToken);
-            }
-
-            public Task ScheduleTask(Func<Task> taskFunc, string taskName, CancellationToken cancellationToken = default)
-            {
-                return _queue.Value.ScheduleTask(taskFunc, taskName, cancellationToken);
-            }
-
-            public Task<T> ScheduleTask<T>(Func<Task<T>> taskFunc, string taskName, CancellationToken cancellationToken = default)
-            {
-                return _queue.Value.ScheduleTask(taskFunc, taskName, cancellationToken);
-            }
+            return new WorkspaceTaskQueue(this, new JoinableTaskFactoryTaskScheduler(_threadingContext.JoinableTaskFactory));
         }
 
         private class JoinableTaskFactoryTaskScheduler : TaskScheduler