Created a new process type called the service process to host background task...

chrome/service/cloud_print/cloud_print_proxy.cc

+// Copyright (c) 2010 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 "chrome/service/cloud_print/cloud_print_proxy.h"
+
+CloudPrintProxy::CloudPrintProxy() {
+}
+
+CloudPrintProxy::~CloudPrintProxy() {
+  Shutdown();
+}
+
+void CloudPrintProxy::Initialize() {
+}
+
+
+void CloudPrintProxy::EnableForUser(const std::string& lsid,
+                                    const std::string& proxy_id) {
+}
+
+void CloudPrintProxy::DisableForUser() {
+  Shutdown();
+}
+
+void CloudPrintProxy::HandlePrinterNotification(
+    const std::string& printer_id) {
+}
+
+void CloudPrintProxy::Shutdown() {
+}
+