Clean up wake on wifi handling

chrome/browser/chromeos/net/wake_on_wifi_manager.h

+// Copyright (c) 2014 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_NET_WAKE_ON_WIFI_MANAGER_H_
+#define CHROME_BROWSER_CHROMEOS_NET_WAKE_ON_WIFI_MANAGER_H_
+
+#include <map>
+
+#include "base/macros.h"
+#include "base/memory/linked_ptr.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Profile;
+
+namespace chromeos {
+
+// This class is responsible for managing the various wake-on-wifi related bits
+// of functionality in chrome.  It is responsible for communicating the user's
+// preferences to shill as well as listening for connections to the Google GCM
+// servers and sending that connection information down to shill.  This class is
+// owned by ChromeBrowserMainPartsChromeos.
+class WakeOnWifiManager : public content::NotificationObserver {
+ public:
+  enum WakeOnWifiFeature {
+    WAKE_ON_NONE            = 0,
+    WAKE_ON_PACKET          = 1,
+    WAKE_ON_SSID            = 2,
+    WAKE_ON_PACKET_AND_SSID = 3,
+  };
+
+  static WakeOnWifiManager* Get();
+
+  WakeOnWifiManager();
+  ~WakeOnWifiManager() override;
+
+  // Should be called whenever the user changes their preference for the
+  // wake-on-wifi features that should be enabled.
+  void OnPreferenceChanged(WakeOnWifiFeature feature);
+
+  // content::NotificationObserver override.
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
+
+ private:
+  void OnProfileAdded(Profile* profile);
+  void OnProfileDestroyed(Profile* profile);
+
+  class WakeOnPacketConnectionObserver;
+  std::map<Profile*, linked_ptr<WakeOnPacketConnectionObserver> >
+      connection_observers_;
+
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(WakeOnWifiManager);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_NET_WAKE_ON_WIFI_MANAGER_H_