FullscreenExitBubble temp UI for Mac.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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',
       'type': 'static_library',
       'dependencies': [
@@ skipping 2492 matching lines @@
         'browser/ui/cocoa/first_run_bubble_controller.h',
         'browser/ui/cocoa/first_run_bubble_controller.mm',
         'browser/ui/cocoa/first_run_dialog.h',
         'browser/ui/cocoa/first_run_dialog.mm',
         'browser/ui/cocoa/floating_bar_backing_view.h',
         'browser/ui/cocoa/floating_bar_backing_view.mm',
         'browser/ui/cocoa/focus_tracker.h',
         'browser/ui/cocoa/focus_tracker.mm',
         'browser/ui/cocoa/framed_browser_window.h',
         'browser/ui/cocoa/framed_browser_window.mm',
+        'browser/ui/cocoa/fullscreen_exit_bubble_controller.h',
+        'browser/ui/cocoa/fullscreen_exit_bubble_controller.mm',
+        'browser/ui/cocoa/fullscreen_exit_bubble_view.h',
+        'browser/ui/cocoa/fullscreen_exit_bubble_view.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/history_menu_bridge.h',
         'browser/ui/cocoa/history_menu_bridge.mm',
         'browser/ui/cocoa/history_menu_cocoa_controller.h',
         'browser/ui/cocoa/history_menu_cocoa_controller.mm',
@@ skipping 2527 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }