Adding <keygen> Content Setting (core)

components/content_settings/core/browser/content_settings_registry.cc

Index: components/content_settings/core/browser/content_settings_registry.cc
diff --git a/components/content_settings/core/browser/content_settings_registry.cc b/components/content_settings/core/browser/content_settings_registry.cc
index faa5f8388c855d829af4c95258b45e01e80b4d03..7860bbeae7daaf00c473d132e366f1eb90368b3f 100644
--- a/components/content_settings/core/browser/content_settings_registry.cc
+++ b/components/content_settings/core/browser/content_settings_registry.cc
@@ -217,6 +217,11 @@ void ContentSettingsRegistry::Init() {
            WhitelistedSchemes(),
            ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK));
 
+  Register(CONTENT_SETTINGS_TYPE_KEYGEN, "keygen",
+           CONTENT_SETTING_BLOCK, WebsiteSettingsInfo::SYNCABLE,
+           WhitelistedSchemes(),
+           ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK));
+
   // Content settings that aren't used to store any data. TODO(raymes): use a
   // different mechanism rather than content settings to represent these.
   // Since nothing is stored in them, there is no real point in them being a