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

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 fbbf9ef8a50016919a59bb5dcbb287bff32eb577..e6b99db380fd8f7de9e3f48ebe4ee8b8415b0b0c 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -55,9 +55,6 @@ class ProfileHelper
   // Returns Profile instance that corresponds to |user_id_hash|.
   static Profile* GetProfileByUserIdHash(const std::string& user_id_hash);
 
-  // Returns profile dir that corresponds to a --login-profile cmd line switch.
-  static base::FilePath GetProfileDirByLegacyLoginProfileSwitch();
-
   // Returns profile path that corresponds to a given |user_id_hash|.
   static base::FilePath GetProfilePathByUserIdHash(
       const std::string& user_id_hash);
@@ -72,9 +69,6 @@ class ProfileHelper
   // could not be extracted from |profile|.
   static std::string GetUserIdHashFromProfile(Profile* profile);
 
-  // Returns profile dir for the user identified by |user_id|.
-  static base::FilePath GetUserProfileDirByUserId(const std::string& user_id);
-
   // Returns user profile dir in a format [u-user_id_hash].
   static base::FilePath GetUserProfileDir(const std::string& user_id_hash);
 
@@ -125,6 +119,9 @@ class ProfileHelper
   // Returns NULL if User is not created.
   user_manager::User* GetUserByProfile(Profile* profile);
 
+  static std::string GetUserIdHashByUserIdForTesting(
+      const std::string& user_id);
+
  private:
   friend class CryptohomeAuthenticatorTest;
   friend class DeviceSettingsTestBase;