[Mac] Inform reference counted objects that hold a weak Browser* when the Browser is being destroye…

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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 1017 matching lines @@
       'browser/ui/cocoa/framed_browser_window.h',
       'browser/ui/cocoa/framed_browser_window.mm',
       'browser/ui/cocoa/full_size_content_window.h',
       'browser/ui/cocoa/full_size_content_window.mm',
       'browser/ui/cocoa/fullscreen_window.h',
       'browser/ui/cocoa/fullscreen_window.mm',
       'browser/ui/cocoa/global_error_bubble_controller.h',
       'browser/ui/cocoa/global_error_bubble_controller.mm',
       'browser/ui/cocoa/gradient_button_cell.h',
       'browser/ui/cocoa/gradient_button_cell.mm',
+      'browser/ui/cocoa/has_weak_browser_pointer.h',
       'browser/ui/cocoa/hover_close_button.h',
       'browser/ui/cocoa/hover_close_button.mm',
       'browser/ui/cocoa/hung_renderer_controller.h',
       'browser/ui/cocoa/hung_renderer_controller.mm',
       'browser/ui/cocoa/image_button_cell.h',
       'browser/ui/cocoa/image_button_cell.mm',
       'browser/ui/cocoa/importer/import_lock_dialog_cocoa.mm',
       'browser/ui/cocoa/info_bubble_view.h',
       'browser/ui/cocoa/info_bubble_view.mm',
       'browser/ui/cocoa/info_bubble_window.h',
@@ skipping 2156 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }