[rAC, OSX] Use a bubble for tooltips.

chrome/browser/ui/cocoa/autofill/autofill_main_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_MAIN_CONTAINER_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_MAIN_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"
 
 @class AutofillDetailsContainer;
 @class AutofillDialogWindowController;
 @class AutofillNotificationContainer;
 @class AutofillSectionContainer;
+@class AutofillTooltipController;
 @class GTMWidthBasedTweaker;
 @class HyperlinkTextView;
 
 namespace autofill {
   class AutofillDialogViewDelegate;
 }
 
 // NSViewController for the main portion of the autofill dialog. Contains
 // account chooser, details for current payment instruments, OK/Cancel.
 // Might dynamically add and remove other elements.
 @interface AutofillMainContainer : NSViewController<AutofillLayout,
                                                     NSTextViewDelegate> {
  @private
   base::scoped_nsobject<GTMWidthBasedTweaker> buttonContainer_;
   base::scoped_nsobject<NSImageView> buttonStripImage_;
   base::scoped_nsobject<NSButton> saveInChromeCheckbox_;
-  base::scoped_nsobject<NSImageView> saveInChromeTooltip_;
+  base::scoped_nsobject<AutofillTooltipController> saveInChromeTooltip_;
   base::scoped_nsobject<AutofillDetailsContainer> detailsContainer_;
   base::scoped_nsobject<HyperlinkTextView> legalDocumentsView_;
   base::scoped_nsobject<AutofillNotificationContainer> notificationContainer_;
   AutofillDialogWindowController* target_;
 
   // Weak. Owns the dialog.
   autofill::AutofillDialogViewDelegate* delegate_;
 
   // Preferred size for legal documents.
   NSSize legalDocumentsSize_;
@@ skipping 43 matching lines @@
 // AutofillMainContainer helper functions, for testing purposes only.
 @interface AutofillMainContainer (Testing)
 
 @property(readonly, nonatomic) NSButton* saveInChromeCheckboxForTesting;
 @property(readonly, nonatomic) NSImageView* buttonStripImageForTesting;
 @property(readonly, nonatomic) NSImageView* saveInChromeTooltipForTesting;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_MAIN_CONTAINER_H_