Remove a bunch of GetProfileSyncService callers to use the new factory.

chrome/browser/ui/webui/sessions_ui.cc

Index: chrome/browser/ui/webui/sessions_ui.cc
diff --git a/chrome/browser/ui/webui/sessions_ui.cc b/chrome/browser/ui/webui/sessions_ui.cc
index bfaddf73cf6e1aad8ce60c8615e3cc15d152fb9b..c4b2661765a1264923743315872cbde60941cc38 100644
--- a/chrome/browser/ui/webui/sessions_ui.cc
+++ b/chrome/browser/ui/webui/sessions_ui.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/sync/glue/session_model_associator.h"
 #include "chrome/browser/sync/glue/synced_session.h"
 #include "chrome/browser/sync/profile_sync_service.h"
+#include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
@@ -127,7 +128,8 @@ browser_sync::SessionModelAssociator* SessionsDOMHandler::GetModelAssociator() {
   Profile* profile = Profile::FromWebUI(web_ui());
   if (!profile->HasProfileSyncService())
     return NULL;
-  ProfileSyncService* service = profile->GetProfileSyncService();
+  ProfileSyncService* service(ProfileSyncServiceFactory::
+      GetInstance()->GetForProfile(profile));
   if (!service->ShouldPushChanges())
     return NULL;
   return service->GetSessionModelAssociator();