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

chrome/browser/chromeos/profiles/profile_helper.h

 // Copyright (c) 2013 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 37 matching lines @@
   virtual ~ProfileHelper();
 
   // Returns ProfileHelper instance. This class is not singleton and is owned
   // by BrowserProcess/BrowserProcessPlatformPart. This method keeps that
   // 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);
 
-  // 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);
 
   // Returns the path that corresponds to the sign-in profile.
   static base::FilePath GetSigninProfileDir();
 
   // Returns OffTheRecord profile for use during signing phase.
   static Profile* GetSigninProfile();
 
   // Returns user_id hash for |profile| instance or empty string if hash
   // 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);
 
   // Returns true if |profile| is the signin Profile. This can be used during
   // construction of the signin Profile to determine if that Profile is the
   // signin Profile.
   static bool IsSigninProfile(Profile* profile);
 
   // Returns true when |profile| corresponds to owner's profile.
   static bool IsOwnerProfile(Profile* profile);
@@ skipping 30 matching lines @@
   // Otherwise, returns signin profile.
   // Behaviour of this function does not correspond to its name and can be
   // very surprising, that's why it should not be used anymore.
   // Use |GetProfileByUser| instead.
   // TODO(dzhioev): remove this method. http://crbug.com/361528
   Profile* GetProfileByUserUnsafe(const user_manager::User* user);
 
   // Returns NULL if User is not created.
   user_manager::User* GetUserByProfile(Profile* profile);
 
+  std::string GetUserIdHashByUserIdForTests(const std::string& user_id) const;

[xiyuan, 2014/08/15 16:38:43]

nit: Could we make this a static helper so that test code could call it without
ProfileHelper instance.

[dzhioev (left Google), 2014/08/20 20:21:35]

Done.

+
  private:
   friend class DeviceSettingsTestBase;
   friend class extensions::ExtensionGarbageCollectorChromeOSUnitTest;
   friend class FakeUserManager;
   friend class KioskTest;
   friend class MockUserManager;
   friend class MultiProfileUserControllerTest;
   friend class ParallelAuthenticatorTest;
   friend class ProfileHelperTest;
   friend class ProfileListChromeOSTest;
@@ skipping 51 matching lines @@
   // If true and enable_profile_to_user_testing is true then primary user will
   // always be returned by GetUserByProfile().
   static bool always_return_primary_user_for_testing;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileHelper);
 };
 
 } // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_