Revert of Disable fetching account flags for signed in users.

chrome/browser/supervised_user/child_accounts/child_account_service.cc

 // 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.
 
 #include "chrome/browser/supervised_user/child_accounts/child_account_service.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 243 matching lines @@
 }
 
 void ChildAccountService::ScheduleNextFamilyInfoUpdate(base::TimeDelta delay) {
   family_fetch_timer_.Start(
       FROM_HERE, delay, this, &ChildAccountService::StartFetchingFamilyInfo);
 }
 
 void ChildAccountService::StartFetchingServiceFlags() {
   account_id_ = SigninManagerFactory::GetForProfile(profile_)
       ->GetAuthenticatedAccountId();
+  flag_fetcher_.reset(new AccountServiceFlagFetcher(
+      account_id_,
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile_),
+      profile_->GetRequestContext(),
+      base::Bind(&ChildAccountService::OnFlagsFetched,
+                 weak_ptr_factory_.GetWeakPtr())));
 }
 
 void ChildAccountService::CancelFetchingServiceFlags() {
   flag_fetcher_.reset();
   account_id_.clear();
   flag_fetch_timer_.Stop();
 }
 
 void ChildAccountService::OnFlagsFetched(
     AccountServiceFlagFetcher::ResultCode result,
@@ skipping 101 matching lines @@
     command_line->AppendSwitch(switches::kEnableSupervisedUserBlacklist);
 
   // Query-based filtering also defaults to enabled.
   bool has_enable_safesites =
       command_line->HasSwitch(switches::kEnableSupervisedUserSafeSites);
   bool has_disable_safesites =
       command_line->HasSwitch(switches::kDisableSupervisedUserSafeSites);
   if (!has_enable_safesites && !has_disable_safesites)
     command_line->AppendSwitch(switches::kEnableSupervisedUserSafeSites);
 }