Pass command line args to apptests

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/public/c/system/main.h"
 #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"
@@ skipping 22 matching lines @@
     MOJO_CHECK(args.size() <
                static_cast<size_t>(std::numeric_limits<int>::max()));
     int argc = static_cast<int>(args.size());
     std::vector<const char*> argv(argc + 1);
     for (int i = 0; i < argc; ++i)
       argv[i] = args[i].c_str();
     argv[argc] = nullptr;
 
     testing::InitGoogleTest(&argc, const_cast<char**>(&(argv[0])));
     mojo::test::SetShellHandle(app.UnbindShell());
+    mojo::test::InitializeArgs(argc, argv);
   }
 
   int result = RUN_ALL_TESTS();
 
   shell_handle = mojo::test::PassShellHandle().release().value();
   MojoResult close_result = MojoClose(shell_handle);
   MOJO_CHECK(close_result == MOJO_RESULT_OK);
 
   return (result == 0) ? MOJO_RESULT_OK : MOJO_RESULT_UNKNOWN;
 }