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

chrome/browser/ui/webui/options/options_sync_setup_handler.cc

Index: chrome/browser/ui/webui/options/options_sync_setup_handler.cc
diff --git a/chrome/browser/ui/webui/options/options_sync_setup_handler.cc b/chrome/browser/ui/webui/options/options_sync_setup_handler.cc
index 75f916650a4c16bb982fbd3aa5e4023a6ac66b2d..c0a52bf551917ea4f87cf2f8c392a092855b2e1c 100644
--- a/chrome/browser/ui/webui/options/options_sync_setup_handler.cc
+++ b/chrome/browser/ui/webui/options/options_sync_setup_handler.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
+#include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "content/public/browser/web_ui.h"
 
 OptionsSyncSetupHandler::OptionsSyncSetupHandler(
@@ -16,8 +17,8 @@ OptionsSyncSetupHandler::~OptionsSyncSetupHandler() {
 }
 
 void OptionsSyncSetupHandler::StepWizardForShowSetupUI() {
-  ProfileSyncService* service =
-      Profile::FromWebUI(web_ui())->GetProfileSyncService();
+  ProfileSyncService* service(ProfileSyncServiceFactory::
+      GetInstance()->GetForProfile(Profile::FromWebUI(web_ui())));
   DCHECK(service);
 
   // We should bring up either a login or a configure flow based on the state of