Move ParallelAuthnticator to chromeos and rename it to CryptohomeAuthenticator

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 3dd899ec00285699a349307059d17fd3e20e44a6..fbbf9ef8a50016919a59bb5dcbb287bff32eb577 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -126,13 +126,13 @@ class ProfileHelper
   user_manager::User* GetUserByProfile(Profile* profile);
 
  private:
+  friend class CryptohomeAuthenticatorTest;
   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;
   friend class SessionStateDelegateChromeOSTest;