From f34ba5ac636eec5f13ed25ca2c2a1fbc74c710cc Mon Sep 17 00:00:00 2001
From: Jumar Macato <hikari.netto23@gmail.com>
Date: Thu, 30 May 2019 02:02:08 +0800
Subject: [PATCH] Fix usings and namespace on DefBase

---
 src/Avalonia.Controls/DefinitionBase.cs | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/Avalonia.Controls/DefinitionBase.cs b/src/Avalonia.Controls/DefinitionBase.cs
index 8c069b6786..56e2cab298 100644
--- a/src/Avalonia.Controls/DefinitionBase.cs
+++ b/src/Avalonia.Controls/DefinitionBase.cs
@@ -3,18 +3,15 @@
 // 
 // Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
 
-using MS.Internal;
-using MS.Internal.KnownBoxes;
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.ComponentModel;
 using System.Diagnostics;
-using System.Security.Permissions;
-using System.Windows;
-using System.Windows.Threading;
 
-namespace System.Windows.Controls
+using Avalonia;
+using Avalonia.Collections;
+
+namespace Avalonia.Controls
 {
     /// <summary>
     /// DefinitionBase provides core functionality used internally by Grid