cros: Fix loading user profile w/o UserSessionManager

chrome/browser/chromeos/profiles/profile_helper.h

Index: chrome/browser/chromeos/profiles/profile_helper.h
diff --git a/chrome/browser/chromeos/profiles/profile_helper.h b/chrome/browser/chromeos/profiles/profile_helper.h
index f35d965aa729c653e59238458809eba0146799e2..a71b4b6a0058b219be5fc1decc083f15de5421cc 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -76,8 +76,13 @@ class ProfileHelper
   // knowledge in one place.
   static ProfileHelper* Get();
 
-  // Returns Profile instance that corresponds to |user_id_hash|.
-  static Profile* GetProfileByUserIdHash(const std::string& user_id_hash);
+  // Loads and returns Profile instance that corresponds to |user_id_hash| for
+  // test. It should not be used in production code because it could load a
+  // not-yet-loaded user profile and skip the user profile initialization code
+  // in UserSessionManager.
+  // See http://crbug.com/728683 and http://crbug.com/718734.
+  static Profile* GetProfileByUserIdHashForTest(
+      const std::string& user_id_hash);
 
   // Returns profile path that corresponds to a given |user_id_hash|.
   static base::FilePath GetProfilePathByUserIdHash(