ProfileManager doesn't depend on "--login-profile" switch.

chrome/test/base/testing_profile_manager.cc

Index: chrome/test/base/testing_profile_manager.cc
diff --git a/chrome/test/base/testing_profile_manager.cc b/chrome/test/base/testing_profile_manager.cc
index dd41700b322bfab9f6764f95d7ed21d1929294f5..0bbc4ee6c65fe56ac85b9d8c3b883880d1598a59 100644
--- a/chrome/test/base/testing_profile_manager.cc
+++ b/chrome/test/base/testing_profile_manager.cc
@@ -10,9 +10,14 @@
 #include "chrome/browser/prefs/pref_service_syncable.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
+#endif
+
 const std::string kGuestProfileName = "Guest";
 
 namespace testing {
@@ -60,7 +65,18 @@ TestingProfile* TestingProfileManager::CreateTestingProfile(
 
   // Create a path for the profile based on the name.
   base::FilePath profile_path(profiles_dir_.path());
+#if defined(OS_CHROMEOS)
+  if (profile_name != chrome::kInitialProfile) {
+    profile_path =
+        profile_path.Append(chromeos::ProfileHelper::Get()->GetUserProfileDir(
+            chromeos::ProfileHelper::GetUserIdHashByUserIdForTesting(
+                profile_name)));
+  } else {
+    profile_path = profile_path.AppendASCII(profile_name);
+  }
+#else
   profile_path = profile_path.AppendASCII(profile_name);
+#endif
 
   // Create the profile and register it.
   TestingProfile::Builder builder;