Cleanup: remove SupervisedUserService::IsChildAccount.

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 @@
   virtual void Shutdown() override;
 
  private:
   friend class ChildAccountServiceFactory;
   // Use |ChildAccountServiceFactory::GetForProfile(...)| to get an instance of
   // this service.
   explicit ChildAccountService(Profile* profile);
 
   // SupervisedUserService::Delegate implementation.
   virtual bool SetActive(bool active) override;
-  virtual bool IsChildAccount() const override;
   virtual base::FilePath GetBlacklistPath() const override;
   virtual GURL GetBlacklistURL() const override;
   virtual std::string GetSafeSitesCx() const override;
 
   // SigninManagerBase::Observer implementation.
   virtual void GoogleSigninSucceeded(const std::string& account_id,
                                      const std::string& username,
                                      const std::string& password) override;
   virtual void GoogleSignedOut(const std::string& account_id,
                                const std::string& username) override;
@@ skipping 32 matching lines @@
   scoped_ptr<AccountServiceFlagFetcher> flag_fetcher_;
 
   scoped_ptr<FamilyInfoFetcher> family_fetcher_;
 
   base::WeakPtrFactory<ChildAccountService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildAccountService);
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_