[subresource_filter] Implement the "Smart" UI on Android

components/content_settings/core/common/content_settings_types.h

 // Copyright 2014 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 COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_TYPES_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_TYPES_H_
 
 #include <cstddef>
 
 #include "build/build_config.h"
@@ skipping 32 matching lines @@
   CONTENT_SETTINGS_TYPE_USB_CHOOSER_DATA,
   CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD,
   CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC,
   CONTENT_SETTINGS_TYPE_AUTOPLAY,
   // TODO(raymes): Deprecated. See crbug.com/681709. Remove after M60.
   CONTENT_SETTINGS_TYPE_PROMPT_NO_DECISION_COUNT,
   CONTENT_SETTINGS_TYPE_IMPORTANT_SITE_INFO,
   CONTENT_SETTINGS_TYPE_PERMISSION_AUTOBLOCKER_DATA,
   CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER,
 
+  // Website setting which stores metadata for the subresource filter to aid in
+  // decisions for whether or not to show the UI. Currently only used on
+  // Android.
+  CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER_DATA,
+
   // This is special-cased in the permissions layer to always allow, and as
   // such doesn't have associated prefs data.
   CONTENT_SETTINGS_TYPE_MIDI,
 
   // This is only here temporarily and will be removed when we further unify
   // it with notifications, see crbug.com/563297. No prefs data is stored for
   // this content type, we instead share values with NOTIFICATIONS.
   CONTENT_SETTINGS_TYPE_PUSH_MESSAGING,
 
   // This content setting type is for caching password protection service's
   // verdicts of each origin.
   CONTENT_SETTINGS_TYPE_PASSWORD_PROTECTION,
 
   // WARNING: This enum is going to be removed soon. Do not depend on NUM_TYPES.
   CONTENT_SETTINGS_NUM_TYPES_DO_NOT_USE,
 };
 
 struct ContentSettingsTypeHash {
   std::size_t operator()(ContentSettingsType type) const {
     return static_cast<std::size_t>(type);
   }
 };
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_TYPES_H_