[Mac] Re-layout download shelf when danger state of item changes.

chrome/chrome_tests_unit.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': {
     'chrome_unit_tests_sources': [
       '../apps/app_shim/app_shim_host_mac_unittest.cc',
       '../apps/app_shim/extension_app_shim_handler_mac_unittest.cc',
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
@@ skipping 998 matching lines @@
       'browser/ui/cocoa/constrained_window/constrained_window_animation_unittest.mm',
       'browser/ui/cocoa/constrained_window/constrained_window_button_unittest.mm',
       'browser/ui/cocoa/constrained_window/constrained_window_custom_window_unittest.mm',
       'browser/ui/cocoa/constrained_window/constrained_window_sheet_controller_unittest.mm',
       'browser/ui/cocoa/content_settings/collected_cookies_mac_unittest.mm',
       'browser/ui/cocoa/content_settings/cookie_details_unittest.mm',
       'browser/ui/cocoa/content_settings/cookie_details_view_controller_unittest.mm',
       'browser/ui/cocoa/custom_frame_view_unittest.mm',
       'browser/ui/cocoa/download/download_item_button_unittest.mm',
       'browser/ui/cocoa/download/download_item_cell_unittest.mm',
+      'browser/ui/cocoa/download/download_item_controller_unittest.mm',
       'browser/ui/cocoa/download/download_shelf_controller_unittest.mm',
       'browser/ui/cocoa/download/download_shelf_mac_unittest.mm',
       'browser/ui/cocoa/download/download_shelf_view_unittest.mm',
       'browser/ui/cocoa/download/download_util_mac_unittest.mm',
       'browser/ui/cocoa/draggable_button_unittest.mm',
       'browser/ui/cocoa/extensions/browser_actions_container_view_unittest.mm',
       'browser/ui/cocoa/extensions/extension_install_prompt_test_utils.h',
       'browser/ui/cocoa/extensions/extension_install_prompt_test_utils.mm',
       'browser/ui/cocoa/extensions/extension_install_view_controller_unittest.mm',
       'browser/ui/cocoa/extensions/extension_installed_bubble_controller_unittest.mm',
@@ skipping 1851 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }