Restore the iframe behavior of notification permissions

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/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 295 matching lines @@
     return;
 
   // The settings for ephemeral apps will be persisted across cache evictions.
   if (extensions::util::IsEphemeralApp(extension->id(), profile_))
     return;
 
   SetNotifierEnabled(notifier_id, true);
 #endif
 }
 
+// Unlike other permission types, granting a notification for a given origin
+// will not take into account the |embedder_origin|, it will only be based
+// on the requesting iframe origin.
+// TODO(mukai) Consider why notifications behave differently than
+// other permissions. crbug.com/416894
+void DesktopNotificationService::UpdateContentSetting(
+    const GURL& requesting_origin,
+    const GURL& embedder_origin,
+    bool allowed) {
+  if (allowed) {
+    DesktopNotificationProfileUtil::GrantPermission(
+        profile_, requesting_origin);
+  } else {
+    DesktopNotificationProfileUtil::DenyPermission(profile_, requesting_origin);
+  }
+}
+
 void DesktopNotificationService::OnNotificationPermissionRequested(
     const NotificationPermissionCallback& callback, bool allowed) {
   blink::WebNotificationPermission permission = allowed ?
       blink::WebNotificationPermissionAllowed :
       blink::WebNotificationPermissionDenied;
 
   callback.Run(permission);
 }
 
 void DesktopNotificationService::FirePermissionLevelChangedEvent(
@@ skipping 15 matching lines @@
   // 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));
 #endif
 }