Make more code async.

src/EditorFeatures/CSharpTest/Diagnostics/UseAutoProperty/UseAutoPropertyTests.cs

@@ -266,4 +266,4 @@ public async Task TestAlreadyAutoPropertyWithGetterAndSetterWithNoBody()
             await TestMissingAsync(@"class Class { public int [|P|] { get; set; } }");
         }
     }
-}
+}
\ No newline at end of file

src/EditorFeatures/Core/Implementation/CodeActions/CodeActionEditHandlerService.cs

@@ -95,7 +95,7 @@ public void Apply(Workspace workspace, Document fromDocument, IEnumerable<CodeAc
             {
                 foreach (var document in project.Documents)
                 {
-                    if (!document.HasAnyErrors(cancellationToken).WaitAndGetResult(cancellationToken))
+                    if (!document.HasAnyErrorsAsync(cancellationToken).WaitAndGetResult(cancellationToken))
                     {
                         documentErrorLookup.Add(document.Id);
                     }

src/Workspaces/Core/Portable/CodeCleanup/AbstractCodeCleanerService.cs

@@ -458,7 +458,7 @@ private bool CleanupWholeNode(TextSpan nodeSpan, IEnumerable<TextSpan> spans)
                 IEnumerable<TextSpan> spans = null;
 
 #if DEBUG
-                bool originalDocHasErrors = await annotatedDocument.HasAnyErrors(cancellationToken).ConfigureAwait(false);
+                bool originalDocHasErrors = await annotatedDocument.HasAnyErrorsAsync(cancellationToken).ConfigureAwait(false);
 #endif
 
                 var current = 0;

src/Workspaces/Core/Portable/Rename/ConflictEngine/ConflictResolver.Session.cs

@@ -228,7 +228,7 @@ public async Task<ConflictResolution> ResolveConflictsAsync()
                         }
                     }
 #if DEBUG
-                    DebugVerifyNoErrors(conflictResolution, _documentsIdsToBeCheckedForConflict);
+                    await DebugVerifyNoErrorsAsync(conflictResolution, _documentsIdsToBeCheckedForConflict).ConfigureAwait(false);
 #endif
                     return conflictResolution;
                 }
@@ -239,7 +239,7 @@ public async Task<ConflictResolution> ResolveConflictsAsync()
             }
 
 #if DEBUG
-            private void DebugVerifyNoErrors(ConflictResolution conflictResolution, IEnumerable<DocumentId> documents)
+            private async Task DebugVerifyNoErrorsAsync(ConflictResolution conflictResolution, IEnumerable<DocumentId> documents)
             {
                 var documentIdErrorStateLookup = new Dictionary<DocumentId, bool>();
 
@@ -249,7 +249,7 @@ private void DebugVerifyNoErrors(ConflictResolution conflictResolution, IEnumera
                 {
                     // remember if there were issues in the document prior to renaming it.
                     var originalDoc = conflictResolution.OldSolution.GetDocument(documentId);
-                    documentIdErrorStateLookup.Add(documentId, originalDoc.HasAnyErrors(_cancellationToken).WaitAndGetResult(_cancellationToken));
+                    documentIdErrorStateLookup.Add(documentId, await originalDoc.HasAnyErrorsAsync(_cancellationToken).ConfigureAwait(false));
                 }
 
                 // We want to ignore few error message introduced by rename because the user is wantedly doing it.
@@ -268,7 +268,7 @@ private void DebugVerifyNoErrors(ConflictResolution conflictResolution, IEnumera
                         // errors.
                         if (!documentIdErrorStateLookup[documentId] && _hasConflictCallback == null)
                         {
-                            conflictResolution.NewSolution.GetDocument(documentId).VerifyNoErrorsAsync("Rename introduced errors in error-free code", _cancellationToken, ignoreErrorCodes).Wait(_cancellationToken);
+                            await conflictResolution.NewSolution.GetDocument(documentId).VerifyNoErrorsAsync("Rename introduced errors in error-free code", _cancellationToken, ignoreErrorCodes).ConfigureAwait(false);
                         }
                     }
                 }

src/Workspaces/Core/Portable/Shared/Extensions/DocumentExtensions.cs

@@ -105,7 +105,7 @@ public static Task<SemanticModel> GetSemanticModelForNodeAsync(this Document doc
         }
 
 #if DEBUG
-        public static async Task<bool> HasAnyErrors(this Document document, CancellationToken cancellationToken, List<string> ignoreErrorCode = null)
+        public static async Task<bool> HasAnyErrorsAsync(this Document document, CancellationToken cancellationToken, List<string> ignoreErrorCode = null)
         {
             if (!document.SupportsSemanticModel)
             {
@@ -122,7 +122,7 @@ public static async Task<bool> HasAnyErrors(this Document document, Cancellation
         /// </summary>
         public static async Task VerifyNoErrorsAsync(this Document newDocument, string message, CancellationToken cancellationToken, List<string> ignoreErrorCodes = null)
         {
-            bool newDocumentHasErrors = await newDocument.HasAnyErrors(cancellationToken, ignoreErrorCodes).ConfigureAwait(false);
+            bool newDocumentHasErrors = await newDocument.HasAnyErrorsAsync(cancellationToken, ignoreErrorCodes).ConfigureAwait(false);
             Debug.Assert(!newDocumentHasErrors, message);
         }
 #endif

src/Workspaces/Core/Portable/Simplification/AbstractSimplificationService.cs

@@ -59,7 +59,7 @@ public async Task<Document> ReduceAsync(Document document, IEnumerable<TextSpan>
                 var root = semanticModel.SyntaxTree.GetRoot(cancellationToken);
 
 #if DEBUG
-                bool originalDocHasErrors = await document.HasAnyErrors(cancellationToken).ConfigureAwait(false);
+                bool originalDocHasErrors = await document.HasAnyErrorsAsync(cancellationToken).ConfigureAwait(false);
 #endif
 
                 var reduced = await this.ReduceAsyncInternal(document, spanList, optionSet, reducers, cancellationToken).ConfigureAwait(false);