Refactored the VS add-in

visual_studio/NativeClientVSAddIn/NativeClientVSAddIn/PluginDebuggerVS.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 EnvDTE80;
+
+  /// <summary>
+  /// This class handles the details of finding a pepper plugin and attaching to it.
+  /// </summary>
+  public class PluginDebuggerVS : PluginDebuggerBase
+  {
+    /// <summary>
+    /// Path to the actual plug-in assembly.
+    /// </summary>
+    private string pluginAssembly_;
+
+    /// <summary>
+    /// Constructs the PluginDebuggerHelper.
+    /// </summary>
+    /// <param name="dte">Automation object from Visual Studio.</param>
+    /// <param name="properties">PropertyManager pointing to a valid project/platform.</param>
+    public PluginDebuggerVS(DTE2 dte, PropertyManager properties)
+        : base(dte, properties)
+    {
+      pluginAssembly_ = properties.PluginAssembly;
+      PluginFoundEvent += new EventHandler<PluginFoundEventArgs>(Attach);
+    }
+
+    /// <summary>
+    /// Called to check if a process is a valid pepper plugin to attach to.
+    /// </summary>
+    /// <param name="proc">Contains information about the process in question.</param>
+    /// <param name="mainChromeFlags">Flags on the main Chrome process.</param>
+    /// <returns>True if we should attach to the process.</returns>
+    protected override bool IsPluginProcess(ProcessInfo proc, string mainChromeFlags)
+    {
+      StringComparison ignoreCase = StringComparison.InvariantCultureIgnoreCase;
+      string identifierFlagTarget =
+              string.Format(Strings.PepperProcessPluginFlagFormat, pluginAssembly_);
+      return proc.Name.Equals(Strings.ChromeProcessName, ignoreCase) &&
+             proc.CommandLine.Contains(Strings.ChromeRendererFlag, ignoreCase) &&
+             proc.CommandLine.Contains(identifierFlagTarget, ignoreCase);
+    }
+
+    /// <summary>
+    /// Attaches the Visual Studio debugger to the given process ID.
+    /// </summary>
+    /// <param name="src">The parameter is not used.</param>
+    /// <param name="args">Contains the process ID to attach to.</param>
+    private void Attach(object src, PluginFoundEventArgs args)
+    {
+      foreach (EnvDTE.Process proc in Dte.Debugger.LocalProcesses)
+      {
+        if (proc.ProcessID == args.ProcessID)
+        {
+          proc.Attach();
+          break;
+        }
+      }
+    }
+  }
+}