requestAutocomplete (desktop): don't get stuck in infinite loop

chrome/browser/ui/cocoa/autofill/autofill_dialog_window_controller.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_WINDOW_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_types.h"
 #import "chrome/browser/ui/cocoa/autofill/autofill_layout.h"
 
 @class AutofillHeader;
 @class AutofillLoadingShieldController;
 @class AutofillMainContainer;
 @class AutofillOverlayController;
 @class AutofillSignInContainer;
 
+class GURL;
+
 namespace content {
 class NavigationController;
 class WebContents;
 }  // content
 
 namespace autofill {
 class AutofillDialogCocoa;
 }  // autofill
 
-
 // Forwarding AutofillDialogView calls.
 @protocol AutofillDialogBridge
 
 - (void)show;
 - (void)hide;
 - (void)updateNotificationArea;
 - (void)updateAccountChooser;
 - (void)updateButtonStrip;
 - (void)updateSection:(autofill::DialogSection)section;
 - (void)updateForErrors;
 - (void)fillSection:(autofill::DialogSection)section
-           forType:(const autofill::ServerFieldType)type;
+            forType:(const autofill::ServerFieldType)type;
 - (void)getInputs:(autofill::FieldValueMap*)outputs
        forSection:(autofill::DialogSection)section;
 - (NSString*)getCvc;
 - (BOOL)saveDetailsLocally;
-- (content::NavigationController*)showSignIn;
+- (content::NavigationController*)showSignIn:(const GURL&)url;
 - (void)hideSignIn;
 - (void)modelChanged;
 - (void)updateErrorBubble;
 - (void)onSignInResize:(NSSize)size;
 - (void)validateSection:(autofill::DialogSection)section;
 
 @end
 
 
 // Window controller for AutofillDialogView.
@@ skipping 27 matching lines @@
 // like to use the data.
 - (IBAction)accept:(id)sender;
 
 // User canceled the dialog.
 - (IBAction)cancel:(id)sender;
 
 @end
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_WINDOW_CONTROLLER_H_