[Cleanup] Const-correct the profile() method for the EasyUnlockService

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 49 matching lines @@
       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);
+  static std::string GetUserIdHashFromProfile(const Profile* profile);
 
   // 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);
+  static bool IsSigninProfile(const Profile* profile);
 
   // Returns true when |profile| corresponds to owner's profile.
   static bool IsOwnerProfile(Profile* profile);
 
   // Returns true when |profile| corresponds to the primary user profile
   // of the current session.
-  static bool IsPrimaryProfile(Profile* profile);
+  static bool IsPrimaryProfile(const Profile* profile);
 
   // Initialize a bunch of services that are tied to a browser profile.
   // TODO(dzhioev): Investigate whether or not this method is needed.
   void ProfileStartup(Profile* profile, bool process_startup);
 
   // Returns active user profile dir in a format [u-$hash].
   base::FilePath GetActiveUserProfileDir();
 
   // Should called once after UserManager instance has been created.
   void Initialize();
@@ skipping 14 matching lines @@
   // Returns profile of the |user| if user's profile is created and fully
   // initialized. Otherwise, if some user is active, returns his profile.
   // 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);
+  const user_manager::User* GetUserByProfile(const Profile* profile) const;
+  user_manager::User* GetUserByProfile(Profile* profile) const;
 
   static std::string GetUserIdHashByUserIdForTesting(
       const std::string& user_id);
 
  private:
   // TODO(nkostylev): Create a test API class that will be the only one allowed
   // to access private test methods.
   friend class CryptohomeAuthenticatorTest;
   friend class DeviceSettingsTestBase;
   friend class ExistingUserControllerTest;
@@ skipping 59 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_