Make ApplicationImpl::args() be a std::vector<std::string>

mojo/examples/apptest/example_apptest.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 <limits.h>
 
 #include "mojo/examples/apptest/example_client_application.h"
 #include "mojo/examples/apptest/example_client_impl.h"
 #include "mojo/examples/apptest/example_service.mojom.h"
 #include "mojo/public/c/system/main.h"
@@ skipping 79 matching lines @@
   //            Need to CancelWait() / PassMessagePipe() from the ShellPtr?
   mojo::RunLoop loop;
   mojo::ApplicationDelegate* delegate = new mojo::ExampleClientApplication();
   mojo::ApplicationImpl app(delegate, shell_handle);
   g_application_impl_hack = &app;
   MOJO_CHECK(app.WaitForInitialize());
 
   {
     // InitGoogleTest expects (argc + 1) elements, including a terminating NULL.
     // It also removes GTEST arguments from |argv| and updates the |argc| count.
-    const mojo::Array<mojo::String>& args = app.args();
+    const std::vector<std::string>& args = app.args();
     MOJO_CHECK(args.size() < INT_MAX);
     int argc = static_cast<int>(args.size());
     std::vector<char*> argv(argc + 1);
     for (int i = 0; i < argc; ++i)
       argv[i] = const_cast<char*>(args[i].data());
     argv[argc] = NULL;
     testing::InitGoogleTest(&argc, &argv[0]);
   }
 
   mojo_ignore_result(RUN_ALL_TESTS());
 
   delete delegate;
   return MOJO_RESULT_OK;
 }