Notification settings for ephemeral apps

chrome/browser/notifications/desktop_notification_service.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/notifications/desktop_notification_service.h"
 
 #include "base/metrics/histogram.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
@@ skipping 763 matching lines @@
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_EXTENSION_UNINSTALLED, type);
 
   extensions::Extension* extension =
       content::Details<extensions::Extension>(details).ptr();
   NotifierId notifier_id(NotifierId::APPLICATION, extension->id());
   if (IsNotifierEnabled(notifier_id))
     return;
 
+  // The settings for ephemeral apps will be persisted across cache evictions.
+  if (extension->is_ephemeral())
+    return;
+
   SetNotifierEnabled(notifier_id, true);
 }
 
 void DesktopNotificationService::FirePermissionLevelChangedEvent(
     const NotifierId& notifier_id, bool enabled) {
   DCHECK_EQ(NotifierId::APPLICATION, notifier_id.type);
   extensions::api::notifications::PermissionLevel permission =
       enabled ? extensions::api::notifications::PERMISSION_LEVEL_GRANTED
               : extensions::api::notifications::PERMISSION_LEVEL_DENIED;
   scoped_ptr<base::ListValue> args(new base::ListValue());
   args->Append(new base::StringValue(
       extensions::api::notifications::ToString(permission)));
   scoped_ptr<extensions::Event> event(new extensions::Event(
       extensions::api::notifications::OnPermissionLevelChanged::kEventName,
       args.Pass()));
   extensions::ExtensionSystem::Get(profile_)->event_router()->
       DispatchEventToExtension(notifier_id.id, event.Pass());
 
   // Tell the IO thread that this extension's permission for notifications
   // has changed.
   extensions::InfoMap* extension_info_map =
       extensions::ExtensionSystem::Get(profile_)->info_map();
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&extensions::InfoMap::SetNotificationsDisabled,
                  extension_info_map, notifier_id.id, !enabled));
 
 }