Change ProfileDownloader to use AccountTrackerService.

chrome/browser/supervised_user/legacy/custodian_profile_downloader_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/legacy/custodian_profile_downloader_service.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/chrome_signin_client_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 
 CustodianProfileDownloaderService::CustodianProfileDownloaderService(
     Profile* custodian_profile)
         : custodian_profile_(custodian_profile) {
 }
 
@@ skipping 16 matching lines @@
   if (gaia::AreEmailsSame(last_downloaded_profile_email_, current_email)) {
     // Profile was previously downloaded successfully, use it as it is unlikely
     // that we will need to download it again.
     OnProfileDownloadSuccess(profile_downloader_.get());
     return;
   }
   // If another profile download is in progress, drop it. It's not worth
   // queueing them up, and more likely that the one that hasn't ended yet is
   // failing somehow than that the new one won't succeed.
   in_progress_profile_email_ = current_email;
-  profile_downloader_.reset(new ProfileDownloader(this));
+  profile_downloader_.reset(
+      new ProfileDownloader(this,
+          ChromeSigninClientFactory::GetForProfile(custodian_profile_)));
   profile_downloader_->Start();
 }
 
 bool CustodianProfileDownloaderService::NeedsProfilePicture() const {
   return false;
 }
 
 int CustodianProfileDownloaderService::GetDesiredImageSideLength() const {
   return 0;
 }
@@ skipping 14 matching lines @@
   last_downloaded_profile_email_ = in_progress_profile_email_;
 }
 
 void CustodianProfileDownloaderService::OnProfileDownloadFailure(
     ProfileDownloader* downloader,
     ProfileDownloaderDelegate::FailureReason reason) {
   // Ignore failures; proceed without the custodian's name.
   download_callback_.Reset();
   profile_downloader_.reset();
 }