First round of dead file removal

experimental/visual_studio_plugin/src/NaClVsx.Package/DebugSupport/NaClPort.cs

-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Net;
-using System.Text;
-using Google.MsAd7.BaseImpl;
-using Google.NaClVsx.ProjectSupport;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Debugger.Interop;
-
-namespace Google.NaClVsx.DebugSupport
-{
-  public class NaClPort : Port
-  {
-    public NaClPort(IDebugPortSupplier2 supplier, IDebugPortRequest2 request, string connectionString) 
-        : base(supplier, request, System.Guid.NewGuid()) {
-      connectionString_ = connectionString;
-    }
-
-    public string ConnectionString {
-      get { return connectionString_; }
-    }
-
-    void Refresh()
-    {
-      // currently we're assuming that there is only one
-      // (IP) port in use, and it's specified in the
-      // connection string.
-      // TODO(Noel): generalize to work with multiple ports
-      // once we have some way of enumerating which processes
-      // are listening.
-      if (processes_.Count > 0) return;
-      string[] addressComponents = connectionString_.Split(':');
-      if (addressComponents.Length < 2)
-      {
-        throw new ArgumentException("Connection string must be of the format <hostname>:<port>");
-      }
-
-      int port = Convert.ToInt32(addressComponents[1]);
-      var imagePath = NaClProjectConfig.GetLastNexe();
-      processes_.Add(new NaClDebugProcess(this, connectionString_, port, imagePath));
-    }
-
-    #region Overrides of Port
-
-    protected override IEnumerable<DebugProcess> GetProcesses() {
-      Refresh();
-      return processes_;
-    }
-
-    protected override DebugProcess CreateProcessInternal(ProcessStartInfo psi) {
-      DebugProcess result = null;
-      using (var proc = Process.Start(psi)) {
-        if (proc == null) {
-          throw new InvalidOperationException(
-              string.Format("Can't launch {0}", psi.FileName));
-        }
-
-        result = new NaClDebugProcess(
-            this, connectionString_, proc.Id, psi.FileName);
-      }
-
-      processes_.Add(result);
-      return result;
-    }
-
-    #endregion
-
-    private readonly string connectionString_;
-    private readonly List<DebugProcess> processes_ = new List<DebugProcess>();
-  }
-}