Remove support for the keygen tag

chrome/browser/ui/android/page_info/website_settings_popup_android.cc

 // Copyright (c) 2013 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/ui/android/page_info/website_settings_popup_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/stl_util.h"
@@ skipping 93 matching lines @@
   // On Android, we only want to display a subset of the available options in a
   // particular order, but only if their value is different from the default.
   std::vector<ContentSettingsType> permissions_to_display;
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_GEOLOCATION);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_IMAGES);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_JAVASCRIPT);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_POPUPS);
-  permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_KEYGEN);
   permissions_to_display.push_back(CONTENT_SETTINGS_TYPE_AUTOPLAY);
 
   std::map<ContentSettingsType, ContentSetting>
       user_specified_settings_to_display;
 
   for (const auto& permission : permission_info_list) {
     if (base::ContainsValue(permissions_to_display, permission.type) &&
         permission.setting != CONTENT_SETTING_DEFAULT) {
       user_specified_settings_to_display[permission.type] = permission.setting;
     }
@@ skipping 28 matching lines @@
     WebsiteSettingsUI::TabId tab_id) {
   // There's no tab UI on Android - only connection info is shown.
   NOTIMPLEMENTED();
 }
 
 // static
 bool WebsiteSettingsPopupAndroid::RegisterWebsiteSettingsPopupAndroid(
     JNIEnv* env) {
   return RegisterNativesImpl(env);
 }