[NaCl Addin] Fix dependencies in visual studio

visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.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.
 using System;
 using System.IO;
 using System.Resources;
 using System.Reflection;
 using System.Text;
 using Microsoft.Build.Framework;
 using Microsoft.Build.CPPTasks;
@@ skipping 31 matching lines @@
         [Required]
         public string ProjectName { get; set; }
 
         [Required]
         public string ToolchainName { get; set; }
 
         [Required]
         public string CreateNMFPath { get; set; }
 
         [Required]
-        public string PropertiesFile { get; set; }
-
-        [Required]
         public string ConfigurationType { get; set; }
 
         public NaClLink()
             : base(new ResourceManager("NaCl.Build.CPPTasks.Properties.Resources", Assembly.GetExecutingAssembly()))
         {
             this.EnvironmentVariables = new string[] { "CYGWIN=nodosfilewarning", "LC_CTYPE=C" };
         }
 
         protected override void LogEventsFromTextOutput(string singleLine, MessageImportance messageImportance)
         {
@@ skipping 42 matching lines @@
             if (ExecuteTool(translateTool, cmd, string.Empty) != 0)
             {
                 return false;
             }
 
             return true;
         }
 
         public override bool Execute()
         {
-            xamlParser = new XamlParser(PropertiesFile);
-            if (!Setup())
-                return false;
-
             if (!OutputCommandLine)
                 Log.LogMessage("Linking: {0}", Path.GetFileName(OutputFile));
 
             if (!base.Execute())
                 return false;
 
-            if (!PostLink())
-                return false;
+            if (!SkippedExecution)
+                if (!PostLink())
+                    return false;
 
             return true;
         }
 
         protected bool PostLink()
         {
             if (IsPNaCl())
             {
                 if (TranslateX64 && !Translate("64", "x86-64"))
                     return false;
@@ skipping 114 matching lines @@
 
         protected override string WriteTLogFilename
         {
             get
             {
                 return BaseTool() + ".link.write.1.tlog";
             }
         }
     }
 }