rename QuickInfoCommandHandlerAndSourceProvider to QuickInfoSourceProvider

src/EditorFeatures/Core/CommandHandlers/AbstractIntelliSenseCommandHandler.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 Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo;
 using Microsoft.VisualStudio.Commanding;
 using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
 using VSCommanding = Microsoft.VisualStudio.Commanding;
@@ -30,18 +31,18 @@ internal abstract class AbstractIntelliSenseCommandHandler :
     {
         private readonly CompletionCommandHandler _completionCommandHandler;
         private readonly SignatureHelpCommandHandler _signatureHelpCommandHandler;
-        private readonly QuickInfoCommandHandlerAndSourceProvider _quickInfoCommandHandler;
+        private readonly QuickInfoSourceProvider _quickInfoSourceProvider;
 
         public string DisplayName => EditorFeaturesResources.IntelliSense;
 
         protected AbstractIntelliSenseCommandHandler(
             CompletionCommandHandler completionCommandHandler,
             SignatureHelpCommandHandler signatureHelpCommandHandler,
-            QuickInfoCommandHandlerAndSourceProvider quickInfoCommandHandler)
+            QuickInfoSourceProvider quickInfoSourceProvider)
         {
             _completionCommandHandler = completionCommandHandler;
             _signatureHelpCommandHandler = signatureHelpCommandHandler;
-            _quickInfoCommandHandler = quickInfoCommandHandler;
+            _quickInfoSourceProvider = quickInfoSourceProvider;
         }
 
         public VSCommanding.CommandState GetCommandState(EscapeKeyCommandArgs args, Func<VSCommanding.CommandState> nextHandler)
@@ -63,7 +64,7 @@ public void ExecuteCommand(EscapeKeyCommandArgs args, Action nextHandler, Comman
         {
             if ((_completionCommandHandler != null && _completionCommandHandler.TryHandleEscapeKey(args)) ||
                 (_signatureHelpCommandHandler != null && _signatureHelpCommandHandler.TryHandleEscapeKey(args)) ||
-                (_quickInfoCommandHandler != null && _quickInfoCommandHandler.TryHandleEscapeKey(args)))
+                (_quickInfoSourceProvider != null && _quickInfoSourceProvider.TryHandleEscapeKey(args)))
             {
                 return;
             }

src/EditorFeatures/Core/CommandHandlers/IntelliSenseCommandHandler.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.ComponentModel.Composition;
+using Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo;
 using Microsoft.VisualStudio.Utilities;
 using VSCommanding = Microsoft.VisualStudio.Commanding;
 
@@ -15,10 +16,10 @@ internal sealed class IntelliSenseCommandHandler : AbstractIntelliSenseCommandHa
         public IntelliSenseCommandHandler(
                CompletionCommandHandler completionCommandHandler,
                SignatureHelpCommandHandler signatureHelpCommandHandler,
-               QuickInfoCommandHandlerAndSourceProvider quickInfoCommandHandler)
+               QuickInfoSourceProvider quickInfoSourceProvider)
             : base(completionCommandHandler,
                    signatureHelpCommandHandler,
-                   quickInfoCommandHandler)
+                   quickInfoSourceProvider)
         {
         }
     }

src/EditorFeatures/Core/Extensibility/QuickInfo/PredefinedQuickInfoSourceProviderNames.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.
-
-namespace Microsoft.CodeAnalysis.Editor
-{
-    internal static class PredefinedQuickInfoSourceProviderNames
-    {
-        public const string EventHookup = "Event Hookup QuickInfo Source";
-    }
-}

src/EditorFeatures/Core/CommandHandlers/QuickInfoCommandHandlerAndSourceProvider.cs → src/EditorFeatures/Core/Implementation/IntelliSense/QuickInfo/QuickInfoSourceProvider .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.Collections.Generic;
 using System.ComponentModel.Composition;
-using System.Linq;
-using Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo;
 using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
 using Microsoft.CodeAnalysis.Editor.Shared.Options;
 using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
-using Microsoft.CodeAnalysis.Shared.TestHooks;
-using Microsoft.CodeAnalysis.Shared.Utilities;
 using Microsoft.VisualStudio.Language.Intellisense;
 using Microsoft.VisualStudio.Text;
 using Microsoft.VisualStudio.Text.Editor.Commanding;
 using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
 using Microsoft.VisualStudio.Utilities;
 
-namespace Microsoft.CodeAnalysis.Editor.CommandHandlers
+namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo
 {
-    [Export]
-    [Order(After = PredefinedQuickInfoPresenterNames.RoslynQuickInfoPresenter)]
+    [Export]    
     [ContentType(ContentTypeNames.RoslynContentType)]
     [Export(typeof(IAsyncQuickInfoSourceProvider))]
     [Name("RoslynQuickInfoProvider")]
-    internal partial class QuickInfoCommandHandlerAndSourceProvider :
+    internal partial class QuickInfoSourceProvider :
         ForegroundThreadAffinitizedObject,
         IAsyncQuickInfoSourceProvider
     {

src/EditorFeatures/Core/CommandHandlers/QuickInfoCommandHandlerAndSourceProvider.QuickInfoSource.cs → src/EditorFeatures/Core/Implementation/IntelliSense/QuickInfo/QuickInfoSourceProvider.QuickInfoSource.cs

@@ -6,29 +6,29 @@
 using Microsoft.VisualStudio.Text;
 using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
 
-namespace Microsoft.CodeAnalysis.Editor.CommandHandlers
+namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo
 {
-    internal partial class QuickInfoCommandHandlerAndSourceProvider
+    internal partial class QuickInfoSourceProvider
     {
         private class QuickInfoSource : IAsyncQuickInfoSource
         {
-            private readonly QuickInfoCommandHandlerAndSourceProvider _commandHandler;
+            private readonly QuickInfoSourceProvider _quickInfoSourceProvider;
             private readonly ITextBuffer _subjectBuffer;
 
-            public QuickInfoSource(QuickInfoCommandHandlerAndSourceProvider commandHandler, ITextBuffer subjectBuffer)
+            public QuickInfoSource(QuickInfoSourceProvider quickInfoSourceProvider, ITextBuffer subjectBuffer)
             {
-                _commandHandler = commandHandler;
+                _quickInfoSourceProvider = quickInfoSourceProvider;
                 _subjectBuffer = subjectBuffer;
             }
 
             public Task<QuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
             {
                 var triggerPoint = session.GetTriggerPoint(_subjectBuffer.CurrentSnapshot);
-                if (triggerPoint != null && triggerPoint.HasValue)
+                if (triggerPoint.HasValue)
                 {
                     var textView = session.TextView;
                     var args = new InvokeQuickInfoCommandArgs(textView, _subjectBuffer);
-                    if (_commandHandler.TryGetController(args, out var controller))
+                    if (_quickInfoSourceProvider.TryGetController(args, out var controller))
                     {
                         return controller.GetQuickInfoItemAsync(triggerPoint.Value, cancellationToken);
                     }

src/Interactive/EditorFeatures/Core/CommandHandlers/InteractiveIntelliSenseCommandHandler.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.ComponentModel.Composition;
+using Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo;
 using Microsoft.VisualStudio.InteractiveWindow.Commands;
 using Microsoft.VisualStudio.Utilities;
 using VSCommanding = Microsoft.VisualStudio.Commanding;
@@ -16,10 +17,10 @@ internal sealed class InteractiveIntelliSenseCommandHandler : AbstractIntelliSen
         public InteractiveIntelliSenseCommandHandler(
                CompletionCommandHandler completionCommandHandler,
                SignatureHelpCommandHandler signatureHelpCommandHandler,
-               QuickInfoCommandHandlerAndSourceProvider quickInfoCommandHandler)
+               QuickInfoSourceProvider quickInfoSourceProvider)
             : base(completionCommandHandler,
                    signatureHelpCommandHandler,
-                   quickInfoCommandHandler)
+                   quickInfoSourceProvider)
         {
         }
     }