Fixes the interactive default browser UX for policy setting

chrome/browser/ui/webui/settings/settings_default_browser_handler.cc

Index: chrome/browser/ui/webui/settings/settings_default_browser_handler.cc
diff --git a/chrome/browser/ui/webui/settings/settings_default_browser_handler.cc b/chrome/browser/ui/webui/settings/settings_default_browser_handler.cc
index c976f61d475cce9849bae6fe673a7ece095925c9..b48ba0e55699f4e51ba9d1f2844261e7879dfc63 100644
--- a/chrome/browser/ui/webui/settings/settings_default_browser_handler.cc
+++ b/chrome/browser/ui/webui/settings/settings_default_browser_handler.cc
@@ -13,8 +13,9 @@
 namespace settings {
 
 DefaultBrowserHandler::DefaultBrowserHandler(content::WebUI* webui)
-    : default_browser_worker_(
-          new shell_integration::DefaultBrowserWorker(this)) {
+    : default_browser_worker_(new shell_integration::DefaultBrowserWorker(
+          this,
+          /*delete_observer=*/false)) {
   default_browser_policy_.Init(
       prefs::kDefaultBrowserSettingEnabled, g_browser_process->local_state(),
       base::Bind(&DefaultBrowserHandler::RequestDefaultBrowserState,
@@ -60,10 +61,6 @@ void DefaultBrowserHandler::SetDefaultWebClientUIState(
                                    is_default, can_be_default);
 }
 
-bool DefaultBrowserHandler::IsInteractiveSetDefaultPermitted() {
-  return true;
-}
-
 void DefaultBrowserHandler::OnSetAsDefaultConcluded(bool succeeded) {
   base::FundamentalValue success(succeeded);
   web_ui()->CallJavascriptFunction("Settings.setAsDefaultConcluded", success);