[CUPS] Implement the Print Job notification.

chrome/browser/chromeos/printing/cups_print_job_manager.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.h"
+
+#include <algorithm>
+
+#include "chrome/browser/chromeos/printing/cups_print_job_notification_manager.h"
+
+namespace chromeos {
+
+CupsPrintJobManager::CupsPrintJobManager(Profile* profile) : profile_(profile) {
+  notification_manager_.reset(
+      new CupsPrintJobNotificationManager(profile, this));
+}
+
+CupsPrintJobManager::~CupsPrintJobManager() {
+  print_jobs_.clear();
+  notification_manager_.reset();
+  profile_ = nullptr;
+}
+
+void CupsPrintJobManager::Shutdown() {}
+
+void CupsPrintJobManager::AddObserver(Observer* observer) {
+  auto found = std::find(observers_.begin(), observers_.end(), observer);
+  if (found == observers_.end())
+    observers_.push_back(observer);
+}
+
+void CupsPrintJobManager::RemoveObserver(Observer* observer) {
+  auto found = std::find(observers_.begin(), observers_.end(), observer);
+  if (found != observers_.end())
+    observers_.erase(found);
+}
+
+}  // namespace chromeos