Remove WaitIndicator. We don't need it.

src/EditorFeatures/Core/Implementation/IntelliSense/Completion/AsyncCompletionService.cs

@@ -26,7 +26,6 @@ internal class AsyncCompletionService : ForegroundThreadAffinitizedObject, IAsyn
         private readonly IEditorOperationsFactoryService _editorOperationsFactoryService;
         private readonly ITextUndoHistoryRegistry _undoHistoryRegistry;
         private readonly IInlineRenameService _inlineRenameService;
-        private readonly IWaitIndicator _waitIndicator;
         private readonly IIntelliSensePresenter<ICompletionPresenterSession, ICompletionSession> _completionPresenter;
         private readonly IEnumerable<Lazy<IAsynchronousOperationListener, FeatureMetadata>> _asyncListeners;
         private readonly IEnumerable<Lazy<IBraceCompletionSessionProvider, BraceCompletionMetadata>> _autoBraceCompletionChars;
@@ -60,7 +59,6 @@ internal class AsyncCompletionService : ForegroundThreadAffinitizedObject, IAsyn
             _editorOperationsFactoryService = editorOperationsFactoryService;
             _undoHistoryRegistry = undoHistoryRegistry;
             _inlineRenameService = inlineRenameService;
-            _waitIndicator = waitIndicator;
             _completionPresenter = completionPresenter;
             _asyncListeners = asyncListeners;
             _autoBraceCompletionChars = autoBraceCompletionChars;
@@ -101,7 +99,7 @@ public bool TryGetController(ITextView textView, ITextBuffer subjectBuffer, out
             var autobraceCompletionCharSet = GetAllAutoBraceCompletionChars(subjectBuffer.ContentType);
             controller = Controller.GetInstance(
                 textView, subjectBuffer,
-                _editorOperationsFactoryService, _undoHistoryRegistry, _waitIndicator, _completionPresenter, 
+                _editorOperationsFactoryService, _undoHistoryRegistry, _completionPresenter, 
                 new AggregateAsynchronousOperationListener(_asyncListeners, FeatureAttribute.CompletionSet),
                 autobraceCompletionCharSet);
 
@@ -137,4 +135,4 @@ private ImmutableHashSet<char> GetAllAutoBraceCompletionChars(IContentType buffe
             return set;
         }
     }
-}
+}
\ No newline at end of file

src/EditorFeatures/Core/Implementation/IntelliSense/Completion/Controller.cs

@@ -41,7 +41,6 @@ internal partial class Controller :
 
         private readonly IEditorOperationsFactoryService _editorOperationsFactoryService;
         private readonly ITextUndoHistoryRegistry _undoHistoryRegistry;
-        private readonly IWaitIndicator _waitIndicator;
         private readonly ImmutableHashSet<char> _autoBraceCompletionChars;
         private readonly bool _isDebugger;
         private readonly bool _isImmediateWindow;
@@ -52,7 +51,6 @@ internal partial class Controller :
             ITextBuffer subjectBuffer,
             IEditorOperationsFactoryService editorOperationsFactoryService,
             ITextUndoHistoryRegistry undoHistoryRegistry,
-            IWaitIndicator waitIndicator,
             IIntelliSensePresenter<ICompletionPresenterSession, ICompletionSession> presenter,
             IAsynchronousOperationListener asyncListener,
             ImmutableHashSet<char> autoBraceCompletionChars,
@@ -62,7 +60,6 @@ internal partial class Controller :
         {
             _editorOperationsFactoryService = editorOperationsFactoryService;
             _undoHistoryRegistry = undoHistoryRegistry;
-            _waitIndicator = waitIndicator;
             _autoBraceCompletionChars = autoBraceCompletionChars;
             _isDebugger = isDebugger;
             _isImmediateWindow = isImmediateWindow;
@@ -74,7 +71,6 @@ internal partial class Controller :
             ITextBuffer subjectBuffer,
             IEditorOperationsFactoryService editorOperationsFactoryService,
             ITextUndoHistoryRegistry undoHistoryRegistry,
-            IWaitIndicator waitIndicator,
             IIntelliSensePresenter<ICompletionPresenterSession, ICompletionSession> presenter,
             IAsynchronousOperationListener asyncListener,
             ImmutableHashSet<char> autoBraceCompletionChars)
@@ -84,10 +80,9 @@ internal partial class Controller :
             var isImmediateWindow = isDebugger && debuggerTextView.IsImmediateWindow;
 
             return textView.GetOrCreatePerSubjectBufferProperty(subjectBuffer, s_controllerPropertyKey,
-                (v, b) => new Controller(textView, subjectBuffer, editorOperationsFactoryService, undoHistoryRegistry, waitIndicator,
-                    presenter, asyncListener,
-                    autoBraceCompletionChars,
-                    isDebugger, isImmediateWindow));
+                (v, b) => new Controller(
+                    textView, subjectBuffer, editorOperationsFactoryService, undoHistoryRegistry, 
+                    presenter, asyncListener, autoBraceCompletionChars, isDebugger, isImmediateWindow));
         }
 
         internal bool WaitForComputation()