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

chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm

Index: chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm b/chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm
index 28f087396fb53fd81805cfb94c8b44b9e24a5938..5a7480fb00c3eca1cdfc51841a16d7f6b96e6398 100644
--- a/chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/profile_signin_confirmation_view_controller.mm
@@ -142,16 +142,14 @@
 @implementation ProfileSigninConfirmationViewController
 
 - (id)initWithBrowser:(Browser*)browser
-                username:(const std::string&)username
-                delegate:
-                    (std::unique_ptr<ui::ProfileSigninConfirmationDelegate>)
-                        delegate
-     closeDialogCallback:(const base::Closure&)closeDialogCallback
-    offerProfileCreation:(bool)offer {
+             username:(const std::string&)username
+             delegate:(ui::ProfileSigninConfirmationDelegate*)delegate
+  closeDialogCallback:(const base::Closure&)closeDialogCallback
+ offerProfileCreation:(bool)offer {
   if ((self = [super initWithNibName:nil bundle:nil])) {
     browser_ = browser;
     username_ = username;
-    delegate_ = std::move(delegate);
+    delegate_ = delegate;
     closeDialogCallback_ = closeDialogCallback;
     offerProfileCreation_ = offer;
   }
@@ -378,7 +376,7 @@
 - (IBAction)cancel:(id)sender {
   if (delegate_) {
     delegate_->OnCancelSignin();
-    delegate_ = nullptr;
+    delegate_ = NULL;
     closeDialogCallback_.Run();
   }
 }
@@ -386,7 +384,7 @@
 - (IBAction)ok:(id)sender {
   if (delegate_) {
     delegate_->OnContinueSignin();
-    delegate_ = nullptr;
+    delegate_ = NULL;
     closeDialogCallback_.Run();
   }
 }
@@ -394,7 +392,7 @@
 - (IBAction)close:(id)sender {
   if (delegate_) {
     delegate_->OnCancelSignin();
-    delegate_ = nullptr;
+    delegate_ = NULL;
   }
   closeDialogCallback_.Run();
 }
@@ -402,7 +400,7 @@
 - (IBAction)createProfile:(id)sender {
   if (delegate_) {
     delegate_->OnSigninWithNewProfile();
-    delegate_ = nullptr;
+    delegate_ = NULL;
     closeDialogCallback_.Run();
   }
 }
@@ -442,3 +440,19 @@
 }
 
 @end
+
+@implementation ProfileSigninConfirmationViewController (TestingAPI)
+
+- (ui::ProfileSigninConfirmationDelegate*)delegate {
+  return delegate_;
+}
+
+- (NSButton*)createProfileButton {
+  return createProfileButton_.get();
+}
+
+- (NSTextView*)explanationField {
+  return explanationField_.get();
+}
+
+@end