Revert of Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480

mojo/public/cpp/application/lib/application_test_main.cc

Index: mojo/public/cpp/application/lib/application_test_main.cc
diff --git a/mojo/public/cpp/application/lib/application_test_main.cc b/mojo/public/cpp/application/lib/application_test_main.cc
index 6cdfb0d7fa53eab272d69fdd3967e28ce3a0a038..9b76dad1cf842f4db27d85e0440a4821bab3badc 100644
--- a/mojo/public/cpp/application/lib/application_test_main.cc
+++ b/mojo/public/cpp/application/lib/application_test_main.cc
@@ -6,18 +6,16 @@
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/application_test_base.h"
-#include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/environment/logging.h"
 #include "mojo/public/cpp/system/message_pipe.h"
-#include "mojo/public/cpp/utility/run_loop.h"
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   // An Environment instance is needed to construct run loops.
   mojo::Environment environment;
 
   {
-    // This loop is used for init, and then destroyed before running tests.
-    mojo::RunLoop run_loop;
+    // This RunLoop is used for init, and then destroyed before running tests.
+    mojo::Environment::InstantiateDefaultRunLoop();
 
     // Construct an ApplicationImpl just for the GTEST commandline arguments.
     // GTEST command line arguments are supported amid application arguments:
@@ -40,6 +38,7 @@
 
     testing::InitGoogleTest(&argc, const_cast<char**>(&(argv[0])));
     mojo::test::SetShellHandle(app.UnbindShell());
+    mojo::Environment::DestroyDefaultRunLoop();
   }
 
   int result = RUN_ALL_TESTS();