Revert of ChildAccountService[Java] delegates everything to native side.

chrome/browser/supervised_user/child_accounts/child_account_service.h

 // Copyright 2014 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_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_
 #define CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 28 matching lines @@
                             public SupervisedUserService::Delegate {
  public:
   ~ChildAccountService() override;
 
   static bool IsChildAccountDetectionEnabled();
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   void Init();
 
+  // Sets whether the signed-in account is a child account.
+  // Public so it can be called on platforms where child account detection
+  // happens outside of this class (like Android).
+  void SetIsChildAccount(bool is_child_account);
+
   // Responds whether at least one request for child status was successful.
   // And we got answer whether the profile belongs to a child account or not.
   bool IsChildAccountStatusKnown();
 
   // KeyedService:
   void Shutdown() override;
 
   void AddChildStatusReceivedCallback(const base::Closure& callback);
 
  private:
   friend class ChildAccountServiceFactory;
   // Use |ChildAccountServiceFactory::GetForProfile(...)| to get an instance of
   // this service.
   explicit ChildAccountService(Profile* profile);
 
   // SupervisedUserService::Delegate implementation.
   bool SetActive(bool active) override;
 
-  // Sets whether the signed-in account is a child account.
-  void SetIsChildAccount(bool is_child_account);
-
   // AccountTrackerService::Observer implementation.
   void OnAccountUpdated(const AccountInfo& info) override;
 
   // FamilyInfoFetcher::Consumer implementation.
   void OnGetFamilyMembersSuccess(
       const std::vector<FamilyInfoFetcher::FamilyMember>& members) override;
   void OnFailure(FamilyInfoFetcher::ErrorCode error) override;
 
   void StartFetchingFamilyInfo();
   void CancelFetchingFamilyInfo();
@@ skipping 19 matching lines @@
 
   // Callbacks to run when the user status becomes known.
   std::vector<base::Closure> status_received_callback_list_;
 
   base::WeakPtrFactory<ChildAccountService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildAccountService);
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_