Add a unit test for resetting the app list on a reshow.

ui/app_list/app_list.gyp

 # Copyright (c) 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 165 matching lines @@
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       'target_name': 'app_list_test_support',
       'type': 'static_library',
       'dependencies': [
         '../../base/base.gyp:base',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
+        '../resources/ui_resources.gyp:ui_resources',
         'app_list',
       ],
       'sources': [
         'test/app_list_test_model.cc',
         'test/app_list_test_model.h',
         'test/app_list_test_view_delegate.cc',
         'test/app_list_test_view_delegate.h',
       ],
     },
     {
@@ skipping 76 matching lines @@
           'dependencies': [
             '../../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }