[Chromoting] Add a simple Windows app that registers and starts a host.

remoting/host/setup/win/host_configurer.cc

Index: remoting/host/setup/win/host_configurer.cc
diff --git a/remoting/host/setup/win/host_configurer.cc b/remoting/host/setup/win/host_configurer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4efedb1756c420f92ddeeb0882d5e54006fd44ca
--- /dev/null
+++ b/remoting/host/setup/win/host_configurer.cc
@@ -0,0 +1,65 @@
+// Copyright (c) 2012 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 <atlbase.h>
+#include <atlwin.h>
+#include <ole2.h>
+
+#include "base/at_exit.h"
+#include "base/command_line.h"
+#include "base/run_loop.h"
+#include "base/threading/thread.h"
+#include "remoting/host/setup/win/host_configurer_window.h"
+#include "remoting/host/url_request_context.h"
+
+class HostConfigurerModule
+    : public ATL::CAtlExeModuleT<HostConfigurerModule> {
+};
+
+HostConfigurerModule _AtlModule;
+
+// An app that runs a HostConfigurerWindow.
+int WINAPI WinMain(HINSTANCE instance_handle, HINSTANCE prev_instance_handle,
+                   LPSTR cmd_line, int cmd)
+{
+  // google_apis::GetOAuth2ClientID/Secret need the next line.
+  // On Windows, CommandLine::Init ignores its arguments, and parses
+  // GetCommandLineW directly, so we can pass it dummy arguments.
+  CommandLine::Init(0, NULL);
+
+  // Register and initialize common controls.
+  INITCOMMONCONTROLSEX info;
+  info.dwSize = sizeof(info);
+  info.dwICC = ICC_STANDARD_CLASSES;
+  InitCommonControlsEx(&info);
+
+  // This object instance is required by Chrome code (for example,
+  // FilePath, LazyInstance, MessageLoop).
+  base::AtExitManager exit_manager;
+
+  // Provide message loops and threads for the URLRequestContextGetter.
+  MessageLoop message_loop(MessageLoop::TYPE_UI);
+  base::Thread io_thread("IO thread");
+  base::Thread::Options io_thread_options(MessageLoop::TYPE_IO, 0);
+  io_thread.StartWithOptions(io_thread_options);
+
+  scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_(
+      new remoting::URLRequestContextGetter(
+          message_loop.message_loop_proxy(), io_thread.message_loop_proxy()));
+
+  OleInitialize(NULL);
+
+  // Run a HostConfigurerWindow.
+  remoting::HostConfigurerWindow host_configurer_window(
+      url_request_context_getter_, message_loop.message_loop_proxy(),
+      message_loop.QuitClosure());
+  host_configurer_window.Create(NULL);
+
+  base::RunLoop run_loop;
+  run_loop.Run();
+
+  io_thread.Stop();
+
+  OleUninitialize();
+}