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

chrome/browser/ui/webui/options2/stop_syncing_handler2.cc

Index: chrome/browser/ui/webui/options2/stop_syncing_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/stop_syncing_handler2.cc b/chrome/browser/ui/webui/options2/stop_syncing_handler2.cc
index 367853577bec302542d946a16bcb27bac32cafc4..37e60c24083d28ceeeb8db2d11b7808c1ac1ba61 100644
--- a/chrome/browser/ui/webui/options2/stop_syncing_handler2.cc
+++ b/chrome/browser/ui/webui/options2/stop_syncing_handler2.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sync/profile_sync_service.h"
+#include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/chromium_strings.h"
@@ -47,8 +48,8 @@ void StopSyncingHandler::RegisterMessages() {
 }
 
 void StopSyncingHandler::StopSyncing(const ListValue* args){
-  ProfileSyncService* service =
-      Profile::FromWebUI(web_ui())->GetProfileSyncService();
+  ProfileSyncService* service(ProfileSyncServiceFactory::
+      GetInstance()->GetForProfile(Profile::FromWebUI(web_ui())));
   if (service != NULL && ProfileSyncService::IsSyncEnabled()) {
     service->DisableForUser();
     ProfileSyncService::SyncEvent(ProfileSyncService::STOP_FROM_OPTIONS);