Revert of Sync: Support multiple setup UIs.

chrome/browser/ui/sync/one_click_signin_sync_starter.cc

Index: chrome/browser/ui/sync/one_click_signin_sync_starter.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
index ee5a791aa2d5c71ac0e1383a05f0b44464e34c54..8aeb723f22347631056d6a4e50d7e40feea652df 100644
--- a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
+++ b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
@@ -133,7 +133,7 @@
   // syncing until the user has finished any configuration.
   ProfileSyncService* profile_sync_service = GetProfileSyncService();
   if (profile_sync_service)
-    sync_blocker_ = profile_sync_service->GetSetupInProgressHandle();
+    profile_sync_service->SetSetupInProgress(true);
 
   // Make sure the syncing is requested, otherwise the SigninManager
   // will not be able to complete successfully.
@@ -615,7 +615,10 @@
 }
 
 void OneClickSigninSyncStarter::FinishProfileSyncServiceSetup() {
-  sync_blocker_.reset();
+  ProfileSyncService* service =
+      ProfileSyncServiceFactory::GetForProfile(profile_);
+  if (service)
+    service->SetSetupInProgress(false);
 }
 
 void OneClickSigninSyncStarter::ShowSettingsPageInWebContents(