Disable Web Notifications in Incognito

components/content_settings/core/browser/content_settings_registry.cc

 // Copyright 2015 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 "components/content_settings/core/browser/content_settings_registry.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 155 matching lines @@
                          CONTENT_SETTING_ASK),
            WebsiteSettingsInfo::REQUESTING_ORIGIN_AND_TOP_LEVEL_ORIGIN_SCOPE,
            ContentSettingsInfo::INHERIT_IN_INCOGNITO);
 
   Register(CONTENT_SETTINGS_TYPE_NOTIFICATIONS, "notifications",
            CONTENT_SETTING_ASK, WebsiteSettingsInfo::UNSYNCABLE,
            WhitelistedSchemes(),
            ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK,
                          CONTENT_SETTING_ASK),
            WebsiteSettingsInfo::REQUESTING_ORIGIN_ONLY_SCOPE,
+           // See also NotificationPermissionContext::DecidePermission which
+           // implements additional incognito exceptions.
            ContentSettingsInfo::INHERIT_IN_INCOGNITO_EXCEPT_ALLOW);
 
   Register(CONTENT_SETTINGS_TYPE_FULLSCREEN, "fullscreen", CONTENT_SETTING_ASK,
            WebsiteSettingsInfo::SYNCABLE,
            WhitelistedSchemes(kChromeUIScheme, kChromeDevToolsScheme),
            ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_ASK),
            WebsiteSettingsInfo::REQUESTING_ORIGIN_AND_TOP_LEVEL_ORIGIN_SCOPE,
            ContentSettingsInfo::INHERIT_IN_INCOGNITO);
 
   Register(CONTENT_SETTINGS_TYPE_MOUSELOCK, "mouselock", CONTENT_SETTING_ASK,
@@ skipping 115 matching lines @@
       website_settings_registry_->Register(
           type, name, std::move(default_value), sync_status,
           WebsiteSettingsInfo::NOT_LOSSY, scoping_type);
   DCHECK(!ContainsKey(content_settings_info_, type));
   content_settings_info_[type] = make_scoped_ptr(
       new ContentSettingsInfo(website_settings_info, whitelisted_schemes,
                               valid_settings, incognito_behavior));
 }
 
 }  // namespace content_settings