Change ProfileDownloader to use AccountTrackerService.

chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc

Index: chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc
diff --git a/chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc b/chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc
index 2c338b96d66d3daefbf1991cb5a2dd30c67ac12a..9d81ee9cd30964a8e98b64835dec2271fb8bf43d 100644
--- a/chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc
+++ b/chrome/browser/supervised_user/legacy/custodian_profile_downloader_service.cc
@@ -6,6 +6,7 @@
 
 #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"
@@ -42,7 +43,9 @@ void CustodianProfileDownloaderService::DownloadProfile(
   // 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(

[Marc Treib, 2015/05/06 21:30:05]

nit: Is this a valid way to break the line? I'd write it as
profile_downloader_.reset(new ProfileDownloader(
    this, ChromeSigninClientFactory::GetForProfile(custodian_profile_)));

[anthonyvd, 2015/05/14 15:39:23]

Done.

+      new ProfileDownloader(this,
+          ChromeSigninClientFactory::GetForProfile(custodian_profile_)));
   profile_downloader_->Start();
 }