Make the app list use images for the progress bar.

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': [
     {
       'target_name': 'app_list',
       'type': '<(component)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../skia/skia.gyp:skia',
         '../compositor/compositor.gyp:compositor',
         '../ui.gyp:ui',
+        '../../chrome/chrome_resources.gyp:chrome_resources',
+        '../../chrome/chrome_resources.gyp:theme_resources',
       ],
       'defines': [
         'APP_LIST_IMPLEMENTATION',
       ],
       'sources': [
         'app_list_constants.cc',
         'app_list_constants.h',
         'app_list_export.h',
         'app_list_item_model.cc',
         'app_list_item_model.h',
@@ skipping 119 matching lines @@
           ],
         }, {  # OS!="mac"
           'sources/': [
             ['exclude', 'cocoa/'],
           ],
         }],
       ],
     },
   ],
 }