Remove duplicate application cpp files in mojo/application.

components/view_manager/view_manager_service_apptest.cc

Index: components/view_manager/view_manager_service_apptest.cc
diff --git a/components/view_manager/view_manager_service_apptest.cc b/components/view_manager/view_manager_service_apptest.cc
index 0d71c1118b53389e63b40d1758de210713f21112..95a4a9e6ee672ff82d9d618e7605aec9e1e80686 100644
--- a/components/view_manager/view_manager_service_apptest.cc
+++ b/components/view_manager/view_manager_service_apptest.cc
@@ -9,9 +9,9 @@
 #include "components/view_manager/public/interfaces/view_manager.mojom.h"
 #include "components/view_manager/public/interfaces/view_manager_root.mojom.h"
 #include "components/view_manager/test_change_tracker.h"
-#include "mojo/application/application_test_base_chromium.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/application_impl.h"
+#include "mojo/application/public/cpp/application_test_base.h"
 
 using mojo::ApplicationConnection;
 using mojo::ApplicationDelegate;