Profile chooser on mac was passing wrong value to signin error controller.

chrome/browser/ui/views/profiles/profile_chooser_view.cc

Index: chrome/browser/ui/views/profiles/profile_chooser_view.cc
diff --git a/chrome/browser/ui/views/profiles/profile_chooser_view.cc b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
index a2ea2902a2a67d3bd583eb76ec3b8349bcb19f0c..49976438e53095daa4f603dafbec188a70571904 100644
--- a/chrome/browser/ui/views/profiles/profile_chooser_view.cc
+++ b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
@@ -128,15 +128,6 @@ std::string GetAuthErrorAccountId(Profile* profile) {
   return error->error_account_id();
 }
 
-std::string GetAuthErrorUsername(Profile* profile) {
-  const SigninErrorController* error =
-      profiles::GetSigninErrorController(profile);
-  if (!error)
-    return std::string();
-
-  return error->error_username();
-}
-
 // BackgroundColorHoverButton -------------------------------------------------
 
 // A custom button that allows for setting a background color when hovered over.
@@ -1489,7 +1480,7 @@ views::View* ProfileChooserView::CreateGaiaSigninView() {
     case profiles::BUBBLE_VIEW_MODE_GAIA_REAUTH: {
       DCHECK(HasAuthError(browser_->profile()));
       url = signin::GetReauthURL(browser_->profile(),
-                                 GetAuthErrorUsername(browser_->profile()));
+                                 GetAuthErrorAccountId(browser_->profile()));
       message_id = IDS_PROFILES_GAIA_REAUTH_TITLE;
       break;
     }