[sync] Divorce DataTypeManager from NotificationService notifications by creating a new DataTypeMa…

chrome/browser/ui/webui/ntp/foreign_session_handler.cc

Index: chrome/browser/ui/webui/ntp/foreign_session_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/foreign_session_handler.cc b/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
index 1e2066664aec9210969c2be454545a43d0f92c4e..fbcade5defbf8acb56288915ef1770530913c1f8 100644
--- a/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
+++ b/chrome/browser/ui/webui/ntp/foreign_session_handler.cc
@@ -74,12 +74,11 @@ void ForeignSessionHandler::RegisterMessages() {
 }
 
 void ForeignSessionHandler::Init() {
-  // TODO(dubroy): Change this to only observe this notification on the current
-  // profile, rather than all sources (crbug.com/124717).
-  registrar_.Add(this, chrome::NOTIFICATION_SYNC_CONFIGURE_DONE,
-                 content::NotificationService::AllSources());
-
   Profile* profile = Profile::FromWebUI(web_ui());
+  ProfileSyncService* service =
+      ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
+  registrar_.Add(this, chrome::NOTIFICATION_SYNC_CONFIGURE_DONE,
+                 content::Source<ProfileSyncService>(service));
   registrar_.Add(this, chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED,
                  content::Source<Profile>(profile));
   registrar_.Add(this, chrome::NOTIFICATION_FOREIGN_SESSION_DISABLED,