Remove windows lines endings

visual_studio/NativeClientVSAddIn/NativeClientVSAddIn/PropertyManager.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 NativeClientVSAddIn
 {
   using System;
   using System.Collections.Generic;
   using System.Linq;
   using System.Windows.Forms;
@@ skipping 403 matching lines @@
     private void AssertValidPlatform()
     {
       if (ProjectPlatform == ProjectPlatformType.Other)
       {
         throw new Exception(string.Format(
           "Unsupported platform type: {0} platform", configuration_.Platform.Name));
       }
     }
   }
 }