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

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

 // 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.
 
 #include "chrome/browser/extensions/api/alarms/alarm_manager.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/clock.h"
 #include "base/time/default_clock.h"
 #include "base/time/time.h"
 #include "base/value_conversions.h"
 #include "base/values.h"
-#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/state_store.h"
 #include "chrome/common/extensions/api/alarms.h"
-#include "content/public/browser/notification_service.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 
 namespace extensions {
 
 namespace alarms = api::alarms;
 
 namespace {
 
@@ skipping 53 matching lines @@
   for (size_t i = 0; i < alarms.size(); ++i) {
     scoped_ptr<base::DictionaryValue> alarm =
         alarms[i].js_alarm->ToValue().Pass();
     alarm->Set(kAlarmGranularity,
                base::CreateTimeDeltaValue(alarms[i].granularity));
     list->Append(alarm.release());
   }
   return list.Pass();
 }
 
-
 }  // namespace
 
 // AlarmManager
 
 AlarmManager::AlarmManager(content::BrowserContext* context)
     : browser_context_(context),
       clock_(new base::DefaultClock()),
       delegate_(new DefaultAlarmDelegate(context)),
       extension_registry_observer_(this) {
   extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context_));
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED,
-                 content::Source<content::BrowserContext>(browser_context_));
 
   StateStore* storage = ExtensionSystem::Get(browser_context_)->state_store();
   if (storage)
     storage->RegisterKey(kRegisteredAlarms);
 }
 
 AlarmManager::~AlarmManager() {
 }
 
 void AlarmManager::AddAlarm(const std::string& extension_id,
@@ skipping 298 matching lines @@
   if (storage) {
     ready_actions_.insert(ReadyMap::value_type(extension->id(), ReadyQueue()));
     storage->GetExtensionValue(
         extension->id(),
         kRegisteredAlarms,
         base::Bind(
             &AlarmManager::ReadFromStorage, AsWeakPtr(), extension->id()));
   }
 }
 
-void AlarmManager::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  DCHECK_EQ(type, chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED);
-  const Extension* extension = content::Details<const Extension>(details).ptr();
+void AlarmManager::OnExtensionUninstalled(
+    content::BrowserContext* browser_context,
+    const Extension* extension) {
   RemoveAllAlarms(extension->id(), base::Bind(RemoveAllOnUninstallCallback));
 }
 
 // AlarmManager::Alarm
 
 Alarm::Alarm()
     : js_alarm(new api::alarms::Alarm()) {
 }
 
 Alarm::Alarm(const std::string& name,
@@ skipping 28 matching lines @@
   if (create_info.period_in_minutes.get()) {
     js_alarm->period_in_minutes.reset(
         new double(*create_info.period_in_minutes));
   }
 }
 
 Alarm::~Alarm() {
 }
 
 }  // namespace extensions