Creates BackgroundShell and uses it in test

mojo/shell/standalone/desktop/launcher_process.cc

 // Copyright 2013 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 <stdio.h>
 #include <string.h>
 
 #include <algorithm>
 #include <iostream>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/stack_trace.h"
 #include "base/files/file_util.h"
+#include "base/i18n/icu_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "mojo/shell/standalone/context.h"
 #include "mojo/shell/standalone/switches.h"
 #include "mojo/shell/switches.h"
 
 namespace mojo {
 namespace shell {
@@ skipping 12 matching lines @@
 
   base::PlatformThread::SetName("mojo_runner");
 
   // We want the Context to outlive the MessageLoop so that pipes are all
   // gracefully closed / error-out before we try to shut the Context down.
   Context shell_context;
   {
     base::MessageLoop message_loop;
     base::FilePath shell_dir;
     PathService::Get(base::DIR_MODULE, &shell_dir);
+    CHECK(base::i18n::InitializeICU());
     shell_context.Init(shell_dir);
 
     if (mojo_url.is_empty()) {
       message_loop.PostTask(
           FROM_HERE,
           base::Bind(&Context::RunCommandLineApplication,
                      base::Unretained(&shell_context), base::Closure()));
     } else {
       message_loop.PostTask(
           FROM_HERE, base::Bind(&mojo::shell::Context::Run,
                                 base::Unretained(&shell_context), mojo_url));
     }
     message_loop.Run();
 
     // Must be called before |message_loop| is destroyed.
     shell_context.Shutdown();
   }
 
   return 0;
 }
 
 }  // namespace shell
 }  // namespace mojo