Refactor MessageCenterSettingsController.

chrome/browser/notifications/system_component_notifier_source_chromeos.cc

Index: chrome/browser/notifications/system_component_notifier_source_chromeos.cc
diff --git a/chrome/browser/notifications/system_component_notifier_source_chromeos.cc b/chrome/browser/notifications/system_component_notifier_source_chromeos.cc
new file mode 100644
index 0000000000000000000000000000000000000000..03d3eed47018087d6a6e17eefcd0d4a33bdf3aa5
--- /dev/null
+++ b/chrome/browser/notifications/system_component_notifier_source_chromeos.cc
@@ -0,0 +1,56 @@
+// Copyright (c) 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/notifications/system_component_notifier_source_chromeos.h"
+
+#include "ash/common/system/system_notifier.h"
+#include "chrome/browser/notifications/notifier_state_tracker.h"
+#include "chrome/browser/notifications/notifier_state_tracker_factory.h"
+#include "grit/theme_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/message_center/notifier_settings.h"
+#include "ui/strings/grit/ui_strings.h"
+
+SystemComponentNotifierSourceChromeOS::SystemComponentNotifierSourceChromeOS(
+    Observer* observer)
+    : observer_(observer) {}
+
+std::vector<std::unique_ptr<message_center::Notifier>>
+SystemComponentNotifierSourceChromeOS::GetNotifierList(Profile* profile) {
+  std::vector<std::unique_ptr<message_center::Notifier>> notifiers;
+  NotifierStateTracker* const notifier_state_tracker =
+      NotifierStateTrackerFactory::GetForProfile(profile);
+
+  // Screenshot notification feature is only for ChromeOS. See
+  // crbug.com/238358
+  const base::string16& screenshot_name =
+      l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_NOTIFIER_SCREENSHOT_NAME);
+  message_center::NotifierId screenshot_notifier_id(
+      message_center::NotifierId::SYSTEM_COMPONENT,
+      ash::system_notifier::kNotifierScreenshot);
+  message_center::Notifier* const screenshot_notifier =
+      new message_center::Notifier(
+          screenshot_notifier_id, screenshot_name,
+          notifier_state_tracker->IsNotifierEnabled(screenshot_notifier_id));
+  screenshot_notifier->icon =
+      ui::ResourceBundle::GetSharedInstance().GetImageNamed(
+          IDR_SCREENSHOT_NOTIFICATION_ICON);
+  notifiers.emplace_back(screenshot_notifier);
+  return notifiers;
+}
+
+void SystemComponentNotifierSourceChromeOS::SetNotifierEnabled(
+    Profile* profile,
+    const message_center::Notifier& notifier,
+    bool enabled) {
+  NotifierStateTrackerFactory::GetForProfile(profile)->SetNotifierEnabled(
+      notifier.notifier_id, enabled);
+  observer_->OnNotifierEnabledChanged(notifier.notifier_id, enabled);
+}
+
+message_center::NotifierId::NotifierType
+SystemComponentNotifierSourceChromeOS::GetNotifierType() {
+  return message_center::NotifierId::SYSTEM_COMPONENT;
+}