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

chrome/browser/ui/webui/options2/options_sync_setup_handler2.cc

Index: chrome/browser/ui/webui/options2/options_sync_setup_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/options_sync_setup_handler2.cc b/chrome/browser/ui/webui/options2/options_sync_setup_handler2.cc
index 7f12258caf6e1f758943879180a532a462ed2bbc..caa8e4f234627806eac29d38972e20b178cd4727 100644
--- a/chrome/browser/ui/webui/options2/options_sync_setup_handler2.cc
+++ b/chrome/browser/ui/webui/options2/options_sync_setup_handler2.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"
 
 namespace options2 {
@@ -18,8 +19,8 @@ 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
@@ -36,8 +37,8 @@ void OptionsSyncSetupHandler::StepWizardForShowSetupUI() {
 }
 
 void OptionsSyncSetupHandler::ShowSetupUI() {
-  ProfileSyncService* service =
-      Profile::FromWebUI(web_ui())->GetProfileSyncService();
+  ProfileSyncService* service(ProfileSyncServiceFactory::
+      GetInstance()->GetForProfile(Profile::FromWebUI(web_ui())));
   DCHECK(service);
 
   // The user is trying to manually load a syncSetup URL.  We should bring up