[rAC, OSX] Use bubble windows for error messages.

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

 // Copyright (c) 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_DETAILS_CONTAINER_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DETAILS_CONTAINER_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"
 #import "chrome/browser/ui/cocoa/autofill/autofill_section_container.h"
 
 
 namespace autofill {
 class AutofillDialogViewDelegate;
 }
 
 @class InfoBubbleView;
+@class AutofillErrorBubbleController;
 
 // UI controller for details for current payment instrument.
 @interface AutofillDetailsContainer
     : NSViewController<AutofillLayout,
                        AutofillValidationDisplay> {
  @private
   // Scroll view containing all detail sections.
   base::scoped_nsobject<NSScrollView> scrollView_;
 
   // The individual detail sections.
   base::scoped_nsobject<NSMutableArray> details_;
 
   // An info bubble to display validation errors.
   base::scoped_nsobject<InfoBubbleView> errorBubble_;
 
+  AutofillErrorBubbleController* errorBubbleController_;
+
   autofill::AutofillDialogViewDelegate* delegate_;  // Not owned.
 }
 
 // Designated initializer.
 - (id)initWithDelegate:(autofill::AutofillDialogViewDelegate*)delegate;
 
 // Retrieve the container for the specified |section|.
 - (AutofillSectionContainer*)sectionForId:(autofill::DialogSection)section;
 
 // Called when |errorBubble_| needs to be updated.
 - (void)updateErrorBubble;
 
 // Called when the delegate-maintained suggestions model has changed.
 - (void)modelChanged;
 
 // Validate every visible details section.
 - (BOOL)validate;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DETAILS_CONTAINER_H_