MacViews: Allow the toolkit-views Enterprise Signin Confirmation Dialog to be used

chrome/browser/ui/sync/one_click_signin_sync_starter.cc

Index: chrome/browser/ui/sync/one_click_signin_sync_starter.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
index 75b33766dedd0d5a430c95e1da644eea87bf955f..672c4c32822af714f3c732f471de5c4f7cf22ac6 100644
--- a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
+++ b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
@@ -242,11 +242,11 @@ void OneClickSigninSyncStarter::OnRegisteredForPolicy(
 
   content::RecordAction(
       base::UserMetricsAction("Signin_Show_EnterpriseAccountPrompt"));
-  TabDialogs::FromWebContents(web_contents)->ShowProfileSigninConfirmation(
-      browser_,
-      profile_,
-      signin->GetUsernameForAuthInProgress(),
-      new SigninDialogDelegate(weak_pointer_factory_.GetWeakPtr()));
+  TabDialogs::FromWebContents(web_contents)
+      ->ShowProfileSigninConfirmation(browser_, profile_,
+                                      signin->GetUsernameForAuthInProgress(),
+                                      base::MakeUnique<SigninDialogDelegate>(
+                                          weak_pointer_factory_.GetWeakPtr()));
 }
 
 void OneClickSigninSyncStarter::LoadPolicyWithCachedCredentials() {