[Sync] Make generic non-frontend thread datatype controller.

chrome/browser/sync/profile_sync_service_password_unittest.cc

Index: chrome/browser/sync/profile_sync_service_password_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_password_unittest.cc b/chrome/browser/sync/profile_sync_service_password_unittest.cc
index c00ac4b1e99eb4c004844bb51100c479cf5652e0..f052f0886d0f1b1a2462edd7ed8070fe36e50837 100644
--- a/chrome/browser/sync/profile_sync_service_password_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_password_unittest.cc
@@ -184,10 +184,11 @@ class ProfileSyncServicePasswordTest : public AbstractProfileSyncServiceTest {
           &factory_, &profile_, "test_user", false, root_task, node_task));
       service_->RegisterPreferences();
       profile_.GetPrefs()->SetBoolean(prefs::kSyncPasswords, true);
+      EXPECT_CALL(profile_, GetProfileSyncService()).WillRepeatedly(
+          Return(service_.get()));
       PasswordDataTypeController* data_type_controller =
           new PasswordDataTypeController(&factory_,
-                                         &profile_,
-                                         service_.get());
+                                         &profile_);
 
       EXPECT_CALL(factory_, CreatePasswordSyncComponents(_, _, _)).
           Times(AtLeast(1)).  // Can be more if we hit NEEDS_CRYPTO.