Merge pull request #19992 from CyrusNajmabadi/addUsingOOP8

Add option to control running Add-Using out of proc or not.

src/EditorFeatures/CSharpTest/Diagnostics/GenerateVariable/GenerateVariableTests.cs

@@ -7181,7 +7181,7 @@ public Foo(String foo)
         }
 
         [WorkItem(18275, "https://github.com/dotnet/roslyn/issues/18275")]
-        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsAddImport)]
+        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateVariable)]
         public async Task TestContextualKeyword1()
         {
             await TestMissingInRegularAndScriptAsync(

src/Features/Core/Portable/AddImport/AddImportOptions.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 Microsoft.CodeAnalysis.Options;
+
+namespace Microsoft.CodeAnalysis.AddImport
+{
+    internal static class AddImportOptions
+    {
+        private const string LocalRegistryPath = @"Roslyn\Features\AddImport\";
+
+        public static readonly Option<bool> OutOfProcessAllowed = new Option<bool>(
+            nameof(AddImportOptions), nameof(OutOfProcessAllowed), defaultValue: false,
+            storageLocations: new LocalUserProfileStorageLocation(LocalRegistryPath + nameof(OutOfProcessAllowed)));
+    }
+}
\ No newline at end of file

src/Features/Core/Portable/Features.csproj

@@ -102,6 +102,7 @@
     <Compile Include="AddImport\AbstractAddImportFeatureService.cs" />
     <Compile Include="AddImport\AddImportFixData.cs" />
     <Compile Include="AddImport\AddImportFixKind.cs" />
+    <Compile Include="AddImport\AddImportOptions.cs" />
     <Compile Include="AddImport\CodeActions\AddImportCodeAction.cs" />
     <Compile Include="AddImport\CodeActions\AssemblyReferenceCodeAction.cs" />
     <Compile Include="AddImport\CodeActions\MetadataSymbolReferenceCodeAction.cs" />