Add test for Chrome install with existing Chrome Frame Multi-install

chrome/test/mini_installer_test/run_all_unittests.cc

 // Copyright (c) 2011 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.
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/process_util.h"
 #include "base/test/test_suite.h"
 #include "base/win/windows_version.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/util/util_constants.h"
 #include "chrome/test/mini_installer_test/mini_installer_test_constants.h"
 #include "chrome_mini_installer.h"
 
 void BackUpProfile(bool chrome_frame) {
   if (base::GetProcessCount(L"chrome.exe", NULL) > 0) {
     printf("Chrome is currently running and cannot backup the profile."
            "Please close Chrome and run the tests again.\n");
     exit(1);
   }
   ChromeMiniInstaller installer(false, chrome_frame, "");
   FilePath path;
-  installer.GetChromeInstallDirectoryLocation(&path);
+  installer.GetInstallDirectory(&path);
   path = path.Append(mini_installer_constants::kChromeAppDir).DirName();
   FilePath backup_path = path;
   // Will hold User Data path that needs to be backed-up.
   path = path.Append(mini_installer_constants::kChromeUserDataDir);
   // Will hold new backup path to save the profile.
   backup_path = backup_path.Append(
       mini_installer_constants::kChromeUserDataBackupDir);
   // Will check if User Data profile is available.
   if (file_util::PathExists(path)) {
     // Will check if User Data is already backed up.
@@ skipping 33 matching lines @@
         installer::switches::kChromeFrame));
   }
 
   if (base::win::GetVersion() < base::win::VERSION_VISTA ||
       command_line.HasSwitch(switches::kInstallerTestForce)) {
     return test_suite.Run();
   }
   printf("These tests don't run on this platform.\n");
   return 0;
 }