Use ExtensionRegistryObserver instead of deprecated extension notification from c/b/extension

chrome/browser/extensions/api/alarms/alarm_manager.h

 // Copyright (c) 2012 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_EXTENSIONS_API_ALARMS_ALARM_MANAGER_H__
 #define CHROME_BROWSER_EXTENSIONS_API_ALARMS_ALARM_MANAGER_H__
 
 #include <map>
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "base/timer/timer.h"
 #include "chrome/common/extensions/api/alarms.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
-#include "extensions/browser/extension_function.h"
 #include "extensions/browser/extension_registry_observer.h"
 
 namespace base {
 class Clock;
 }  // namespace base
 
 namespace content {
 class BrowserContext;
 }  // namespace content
 
@@ skipping 17 matching lines @@
   // constructor argument.
   base::TimeDelta granularity;
   // The minimum granularity is the minimum allowed polling rate. This stops
   // alarms from polling too often.
   base::TimeDelta minimum_granularity;
 };
 
 // Manages the currently pending alarms for every extension in a profile.
 // There is one manager per virtual Profile.
 class AlarmManager : public BrowserContextKeyedAPI,
-                     public content::NotificationObserver,
                      public ExtensionRegistryObserver,
                      public base::SupportsWeakPtr<AlarmManager> {
  public:
   typedef std::vector<Alarm> AlarmList;
 
   class Delegate {
    public:
     virtual ~Delegate() {}
     // Called when an alarm fires.
     virtual void OnAlarm(const std::string& extension_id,
@@ skipping 127 matching lines @@
   void ScheduleNextPoll();
 
   // Polls the alarms, running any that have elapsed. After running them and
   // rescheduling repeating alarms, schedule the next poll.
   void PollAlarms();
 
   // Executes |action| for given extension, making sure that the extension's
   // alarm data has been synced from the storage.
   void RunWhenReady(const std::string& extension_id, const ReadyAction& action);
 
-  // NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // Overridden from extensions::ExtensionRegistryObserver.
+  // ExtensionRegistryObserver implementation.
   virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
                                  const Extension* extension) OVERRIDE;
+  virtual void OnExtensionUninstalled(content::BrowserContext* browser_context,
+                                      const Extension* extension) OVERRIDE;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() {
     return "AlarmManager";
   }
   static const bool kServiceHasOwnInstanceInIncognito = true;
 
   content::BrowserContext* const browser_context_;
   scoped_ptr<base::Clock> clock_;
-  content::NotificationRegistrar registrar_;
   scoped_ptr<Delegate> delegate_;
 
   // Listen to extension load notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   // The timer for this alarm manager.
   base::OneShotTimer<AlarmManager> timer_;
 
   // A map of our pending alarms, per extension.
   // Invariant: None of the AlarmLists are empty.
   AlarmMap alarms_;
 
   // A map of actions waiting for alarm data to be synced from storage, per
   // extension.
   ReadyMap ready_actions_;
 
   // The previous time that alarms were run.
   base::Time last_poll_time_;
 
   // Next poll's time.
   base::Time next_poll_time_;
 
   DISALLOW_COPY_AND_ASSIGN(AlarmManager);
 };
 
 }  //  namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_ALARMS_ALARM_MANAGER_H__