Adding Windows service template for Cloud Print connector.

cloud_print/service/win/cloud_print_service.cc

Index: cloud_print/service/win/cloud_print_service.cc
===================================================================
--- cloud_print/service/win/cloud_print_service.cc	(revision 0)
+++ cloud_print/service/win/cloud_print_service.cc	(revision 0)
@@ -0,0 +1,41 @@
+// 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 "cloud_print/service/win/cloud_print_service.h"
+
+#include "cloud_print/service/win/resource.h"
+
+class CloudPrintServiceModule
+  : public ATL::CAtlServiceModuleT<CloudPrintServiceModule, IDS_SERVICENAME> {
+ public:
+  DECLARE_REGISTRY_APPID_RESOURCEID(IDR_CLOUDPRINTSERVICE,
+                                    "{8013FB7C-2E3E-4992-B8BD-05C0C4AB0627}")
+  HRESULT InitializeSecurity() throw() {
+    // TODO(gene): Check if we need to call CoInitializeSecurity and provide
+    // the appropriate security settings for service.
+    return S_OK;
+  }
+};
+
+CloudPrintServiceModule _AtlModule;
+
+int WINAPI WinMain(__in  HINSTANCE hInstance,
+                   __in  HINSTANCE hPrevInstance,
+                   __in  LPSTR lpCmdLine,
+                   __in  int nCmdShow) {
+  // Handle service unstall case manually.
+  // Service install is handled through ATL, command line flag "/Service"
+  // http://msdn.microsoft.com/en-US/library/z8868y94(v=vs.80).aspx
+  if (StrStrA(lpCmdLine, "/UninstallService") != NULL) {
+    _AtlModule.Uninstall();
+    return 0;
+  }
+
+  // TODO(gene): When running this program with "/Service" flag it fails
+  // silently if command prompt is not elevated.
+  // Consider adding manifest to require elevated prompt, or at least
+  // print warning in this case.
+  return _AtlModule.WinMain(nCmdShow);
+}
+