[VS Addin] Add visual studio 2012 support

visual_studio/NativeClientVSAddIn/UnitTests/BaseCompileTest.cs

 // Copyright (c) 2013 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.Text;
 using System.Collections.Generic;
 using EnvDTE;
 using EnvDTE80;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Microsoft.VisualStudio.VCProjectEngine;
@@ skipping 85 matching lines @@
                 compileOutput.Contains("MS-DOS style path detected", ignoreCase),
                 string.Format(cygwinWarningFormat, platformName, configName));
         }
 
         /// <summary>
         /// Set the type of the project: Executable, DynamicLibrary, StaticLibrary
         /// </summary>
         private void SetProjectType(string projectType, string platformName)
         {
             Project project = dte_.Solution.Projects.Item(TestUtilities.NaClProjectUniqueName);
-            VCConfiguration config;
-            IVCRulePropertyStorage rule;
-
-            config = TestUtilities.GetVCConfiguration(project, "Debug", platformName);
-            rule = config.Rules.Item("ConfigurationGeneral");
-            rule.SetPropertyValue("ConfigurationType", projectType);
-
-            config = TestUtilities.GetVCConfiguration(project, "Release", platformName);
-            rule = config.Rules.Item("ConfigurationGeneral");
-            rule.SetPropertyValue("ConfigurationType", projectType);
+            TestUtilities.SetProjectType(project, projectType, platformName);
         }
 
         protected void CheckCompile(string platform, bool dll)
         {
             dte_.Solution.Open(SolutionName_);
             SetProjectType("Executable", platform);
             TryCompile("Debug", platform);
             TryCompile("Release", platform);
             SetProjectType("StaticLibrary", platform);
             TryCompile("Debug", platform);
             TryCompile("Release", platform);
             if (dll)
             {
                 SetProjectType("DynamicLibrary", platform);
                 TryCompile("Debug", platform);
                 TryCompile("Release", platform);
             }
             dte_.Solution.Close(true);
         }
     }
 }