Remove windows line ending from repo files

visual_studio/NativeClientVSAddIn/UnitTests/PropertyManagerTest.cs

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 namespace UnitTests
 {
   using System;
   using System.IO;
 
   using EnvDTE;
@@ skipping 217 matching lines @@
 
       string newValue = "ThisIsNew";
       target.SetProperty("ConfigurationGeneral", "VSNaClSDKRoot", newValue);
       Assert.AreEqual(
           newValue,
           target.GetProperty("ConfigurationGeneral", "VSNaClSDKRoot"),
           "SetProperty() did not set property VSNaClSDKRoot.");
     }
   }
 }