Remove support for the keygen tag

components/content_settings/core/browser/content_settings_policy_provider.cc

Index: components/content_settings/core/browser/content_settings_policy_provider.cc
diff --git a/components/content_settings/core/browser/content_settings_policy_provider.cc b/components/content_settings/core/browser/content_settings_policy_provider.cc
index 8a7587ba070bceb627f392fea8141f1c52aef837..81a059b6e0ddab617c1100274ba45f552bbdb3db 100644
--- a/components/content_settings/core/browser/content_settings_policy_provider.cc
+++ b/components/content_settings/core/browser/content_settings_policy_provider.cc
@@ -55,11 +55,7 @@ const PrefsForManagedContentSettingsMapEntry
         {prefs::kManagedPopupsAllowedForUrls, CONTENT_SETTINGS_TYPE_POPUPS,
          CONTENT_SETTING_ALLOW},
         {prefs::kManagedPopupsBlockedForUrls, CONTENT_SETTINGS_TYPE_POPUPS,
-         CONTENT_SETTING_BLOCK},
-        {prefs::kManagedKeygenAllowedForUrls,
-         CONTENT_SETTINGS_TYPE_KEYGEN, CONTENT_SETTING_ALLOW},
-        {prefs::kManagedKeygenBlockedForUrls,
-         CONTENT_SETTINGS_TYPE_KEYGEN, CONTENT_SETTING_BLOCK}};
+         CONTENT_SETTING_BLOCK}};
 
 }  // namespace
 
@@ -89,7 +85,6 @@ const PolicyProvider::PrefsForManagedDefaultMapEntry
          prefs::kManagedDefaultNotificationsSetting},
         {CONTENT_SETTINGS_TYPE_PLUGINS, prefs::kManagedDefaultPluginsSetting},
         {CONTENT_SETTINGS_TYPE_POPUPS, prefs::kManagedDefaultPopupsSetting},
-        {CONTENT_SETTINGS_TYPE_KEYGEN, prefs::kManagedDefaultKeygenSetting},
         {CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD,
          prefs::kManagedDefaultWebBluetoothGuardSetting},
 };
@@ -111,8 +106,6 @@ void PolicyProvider::RegisterProfilePrefs(
   registry->RegisterListPref(prefs::kManagedPluginsBlockedForUrls);
   registry->RegisterListPref(prefs::kManagedPopupsAllowedForUrls);
   registry->RegisterListPref(prefs::kManagedPopupsBlockedForUrls);
-  registry->RegisterListPref(prefs::kManagedKeygenAllowedForUrls);
-  registry->RegisterListPref(prefs::kManagedKeygenBlockedForUrls);
   // Preferences for default content setting policies. If a policy is not set of
   // the corresponding preferences below is set to CONTENT_SETTING_DEFAULT.
   registry->RegisterIntegerPref(prefs::kManagedDefaultCookiesSetting,
@@ -131,8 +124,6 @@ void PolicyProvider::RegisterProfilePrefs(
                                 CONTENT_SETTING_DEFAULT);
   registry->RegisterIntegerPref(prefs::kManagedDefaultPopupsSetting,
                                 CONTENT_SETTING_DEFAULT);
-  registry->RegisterIntegerPref(prefs::kManagedDefaultKeygenSetting,
-                                CONTENT_SETTING_DEFAULT);
   registry->RegisterIntegerPref(prefs::kManagedDefaultWebBluetoothGuardSetting,
                                 CONTENT_SETTING_DEFAULT);
 }
@@ -162,8 +153,6 @@ PolicyProvider::PolicyProvider(PrefService* prefs) : prefs_(prefs) {
   pref_change_registrar_.Add(prefs::kManagedPluginsBlockedForUrls, callback);
   pref_change_registrar_.Add(prefs::kManagedPopupsAllowedForUrls, callback);
   pref_change_registrar_.Add(prefs::kManagedPopupsBlockedForUrls, callback);
-  pref_change_registrar_.Add(prefs::kManagedKeygenAllowedForUrls, callback);
-  pref_change_registrar_.Add(prefs::kManagedKeygenBlockedForUrls, callback);
   // The following preferences are only used to indicate if a default content
   // setting is managed and to hold the managed default setting value. If the
   // value for any of the following preferences is set then the corresponding
@@ -182,7 +171,6 @@ PolicyProvider::PolicyProvider(PrefService* prefs) : prefs_(prefs) {
       prefs::kManagedDefaultMediaStreamSetting, callback);
   pref_change_registrar_.Add(prefs::kManagedDefaultPluginsSetting, callback);
   pref_change_registrar_.Add(prefs::kManagedDefaultPopupsSetting, callback);
-  pref_change_registrar_.Add(prefs::kManagedDefaultKeygenSetting, callback);
   pref_change_registrar_.Add(prefs::kManagedDefaultWebBluetoothGuardSetting,
                              callback);
 }
@@ -428,9 +416,7 @@ void PolicyProvider::OnPreferenceChanged(const std::string& name) {
       name == prefs::kManagedPluginsAllowedForUrls ||
       name == prefs::kManagedPluginsBlockedForUrls ||
       name == prefs::kManagedPopupsAllowedForUrls ||
-      name == prefs::kManagedPopupsBlockedForUrls ||
-      name == prefs::kManagedKeygenAllowedForUrls ||
-      name == prefs::kManagedKeygenBlockedForUrls) {
+      name == prefs::kManagedPopupsBlockedForUrls) {
     ReadManagedContentSettings(true);
     ReadManagedDefaultSettings();
   }