Changing SessionService to have a BaseSessionService, not being one.

chrome/browser/sessions/session_service_unittest.cc

Index: chrome/browser/sessions/session_service_unittest.cc
diff --git a/chrome/browser/sessions/session_service_unittest.cc b/chrome/browser/sessions/session_service_unittest.cc
index 84ef15355d2827c627a89e2baf17034f62925732..806cad0b12151a90dd8c892551fa14ceae02094e 100644
--- a/chrome/browser/sessions/session_service_unittest.cc
+++ b/chrome/browser/sessions/session_service_unittest.cc
@@ -722,7 +722,7 @@ TEST_F(SessionServiceTest, SavedSessionNotification) {
   content::NotificationRegistrar registrar_;
   registrar_.Add(this, chrome::NOTIFICATION_SESSION_SERVICE_SAVED,
                  content::NotificationService::AllSources());
-  service()->Save();
+  service()->GetBaseSessionServiceForTest()->Save();
   EXPECT_EQ(sync_save_count_, 1);
 }