Add athena_strings.grd with athena specific strings

athena/resources/athena_resources.gyp

 # Copyright 2014 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 27 matching lines @@
         '../../ui/chromeos/ui_chromeos.gyp:ui_chromeos_strings',
         'athena_resources',
       ],
       'actions': [{
         'action_name': 'repack_athena_pack',
         'variables': {
           'pak_inputs': [
             '<(PRODUCT_DIR)/extensions_shell_and_test.pak',
             '<(SHARED_INTERMEDIATE_DIR)/ash/resources/ash_resources_100_percent.pak',
             '<(SHARED_INTERMEDIATE_DIR)/athena/resources/athena_resources_100_percent.pak',
+            '<(SHARED_INTERMEDIATE_DIR)/athena/strings/athena_strings_en-US.pak',
             '<(SHARED_INTERMEDIATE_DIR)/components/component_resources_100_percent.pak',
             '<(SHARED_INTERMEDIATE_DIR)/components/component_resources.pak',
             '<(SHARED_INTERMEDIATE_DIR)/components/strings/components_strings_en-US.pak',
             '<(SHARED_INTERMEDIATE_DIR)/content/app/resources/content_resources_100_percent.pak',
             '<(SHARED_INTERMEDIATE_DIR)/ui/chromeos/resources/ui_chromeos_resources_100_percent.pak',
             '<(SHARED_INTERMEDIATE_DIR)/ui/chromeos/strings/ui_chromeos_strings_en-US.pak',
           ],
           'pak_output': '<(PRODUCT_DIR)/athena_resources.pak',
         },
         'includes': [ '../../build/repack_action.gypi' ],
       }],
     },
   ]
 }