[rAC, OSX] Use a bubble for tooltips.

chrome/chrome_browser_ui.gypi

 # Copyright 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 537 matching lines @@
         'browser/ui/cocoa/autofill/autofill_section_container.h',
         'browser/ui/cocoa/autofill/autofill_section_container.mm',
         'browser/ui/cocoa/autofill/autofill_section_view.h',
         'browser/ui/cocoa/autofill/autofill_section_view.mm',
         'browser/ui/cocoa/autofill/autofill_sign_in_container.h',
         'browser/ui/cocoa/autofill/autofill_sign_in_container.mm',
         'browser/ui/cocoa/autofill/autofill_suggestion_container.h',
         'browser/ui/cocoa/autofill/autofill_suggestion_container.mm',
         'browser/ui/cocoa/autofill/autofill_textfield.h',
         'browser/ui/cocoa/autofill/autofill_textfield.mm',
+        'browser/ui/cocoa/autofill/autofill_tooltip_controller.h',
+        'browser/ui/cocoa/autofill/autofill_tooltip_controller.mm',
         'browser/ui/cocoa/autofill/down_arrow_popup_menu_cell.h',
         'browser/ui/cocoa/autofill/down_arrow_popup_menu_cell.mm',
         'browser/ui/cocoa/autofill/generated_credit_card_bubble_cocoa.h',
         'browser/ui/cocoa/autofill/generated_credit_card_bubble_cocoa.mm',
         'browser/ui/cocoa/autofill/layout_view.h',
         'browser/ui/cocoa/autofill/layout_view.mm',
         'browser/ui/cocoa/autofill/new_credit_card_bubble_cocoa.h',
         'browser/ui/cocoa/autofill/new_credit_card_bubble_cocoa.mm',
         'browser/ui/cocoa/autofill/simple_grid_layout.h',
         'browser/ui/cocoa/autofill/simple_grid_layout.mm',
@@ skipping 2777 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }