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 04afba43440103f85b96c28c5404c8bd430b7a38..5ab5152d5ec6fe0f06a5d4d03182d9de6fb01095 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -54,9 +54,6 @@ class ProfileHelper : public BrowsingDataRemover::Observer,
   // 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);
@@ -71,9 +68,6 @@ class ProfileHelper : public BrowsingDataRemover::Observer,
   // 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);
 
@@ -124,6 +118,8 @@ class ProfileHelper : public BrowsingDataRemover::Observer,
   // Returns NULL if User is not created.
   user_manager::User* GetUserByProfile(Profile* profile);
 
+  std::string GetUserIdHashByUserIdForTests(const std::string& user_id) const;
+
  private:
   friend class DeviceSettingsTestBase;
   friend class extensions::ExtensionGarbageCollectorChromeOSUnitTest;