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

chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm

Index: chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm
diff --git a/chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm b/chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm
index d71c1f239b9f957b6f8c11b4e3a784cb5a5031a8..6187e48107d1ac79a11c299c075a110bbe1f934a 100644
--- a/chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm
+++ b/chrome/browser/ui/cocoa/tab_dialogs_views_mac.mm
@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/cocoa/tab_dialogs_views_mac.h"
 
 #include "chrome/browser/ui/views/collected_cookies_views.h"
-#include "chrome/browser/ui/views/sync/profile_signin_confirmation_dialog_views.h"
 
 TabDialogsViewsMac::TabDialogsViewsMac(content::WebContents* contents)
     : TabDialogsCocoa(contents) {}
@@ -16,12 +15,3 @@
   // Deletes itself on close.
   new CollectedCookiesViews(web_contents());
 }
-
-void TabDialogsViewsMac::ShowProfileSigninConfirmation(
-    Browser* browser,
-    Profile* profile,
-    const std::string& username,
-    std::unique_ptr<ui::ProfileSigninConfirmationDelegate> delegate) {
-  ProfileSigninConfirmationDialogViews::ShowDialog(browser, profile, username,
-                                                   std::move(delegate));
-}