add ash_resources.grd and necessary changes to use images in ash/resources

ash/ash_resources.gypi

 # 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': {
-    'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
-  },
-
   'targets': [
     {
-      'target_name': 'ash_strings',
+      'target_name': 'ash_resources',
       'type': 'none',
+      'variables': {
+        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/ash/ash_resources',
+      },
       'actions': [
-        # Localizable resources.
         {
-          'action_name': 'ash_strings',
+          'action_name': 'ash_resources',
           'variables': {
-            'grit_grd_file': 'ash_strings.grd',
-            'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/ash_strings',
+            'grit_grd_file': 'resources/ash_resources.grd',
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          '<(SHARED_INTERMEDIATE_DIR)/ash_strings',
+          '<(SHARED_INTERMEDIATE_DIR)/ash/ash_resources',
         ],
       },
     },
   ],
 }