[CUPS] Implement the Print Job notification.

chrome/browser/chromeos/printing/cups_print_job_manager_factory.cc

+// Copyright 2016 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/browser/chromeos/printing/cups_print_job_manager_factory.h"
+
+#include "chrome/browser/chromeos/printing/fake_cups_print_job_manager.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+namespace chromeos {
+
+namespace {
+
+static base::LazyInstance<CUPSPrintJobManagerFactory>
+    g_cups_print_job_manager_factory = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+// static
+CUPSPrintJobManagerFactory* CUPSPrintJobManagerFactory::GetInstance() {
+  return g_cups_print_job_manager_factory.Pointer();
+}
+
+// static
+CUPSPrintJobManager* CUPSPrintJobManagerFactory::GetForBrowserContext(
+    content::BrowserContext* context) {
+  return static_cast<CUPSPrintJobManager*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+}
+
+CUPSPrintJobManagerFactory::CUPSPrintJobManagerFactory()
+    : BrowserContextKeyedServiceFactory(
+          "CUPSPrintJobManagerFactory",
+          BrowserContextDependencyManager::GetInstance()) {}
+
+CUPSPrintJobManagerFactory::~CUPSPrintJobManagerFactory() {}
+
+KeyedService* CUPSPrintJobManagerFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  // TODO(xdai/skau): Change it to construct a real CUPS Print job manager
+  // object when it's available.
+  return new FakeCUPSPrintJobManager(Profile::FromBrowserContext(context));
+}
+
+}  // namespace chromeos