Add all locales to the appropriate generated file lists in .gyp files....

app/app.gyp

 # Copyright (c) 2009 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': {
+    # TODO: remove this helper when we have loops in GYP
+    'apply_locales_cmd': ['python', '../chrome/tools/build/apply_locales.py',],
     'chromium_code': 1,
   },
   'target_defaults': {
     'sources/': [
       ['exclude', '/(cocoa|gtk|win)/'],
       ['exclude', '_(cocoa|gtk|linux|mac|posix|skia|win|x)\\.(cc|mm?)$'],
       ['exclude', '/(gtk|win|x11)_[^/]*\\.cc$'],
     ],
     'conditions': [
       ['OS=="linux"', {'sources/': [
@@ skipping 223 matching lines @@
           'rule_name': 'grit',
           'extension': 'grd',
           'inputs': [
             '../tools/grit/grit.py',
           ],
           'variables': {
             'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/app',
           },
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/app/grit/<(RULE_INPUT_ROOT).h',
-            # TODO(benl) Generate this list from a helper script, like
-            # repack_locales_cmd in chrome.gyp (see TODO(mmoss))
-            '<(SHARED_INTERMEDIATE_DIR)/app/<(RULE_INPUT_ROOT)_ar.pak',
-            '<(SHARED_INTERMEDIATE_DIR)/app/<(RULE_INPUT_ROOT)_en-US.pak',
+            # TODO: remove this helper when we have loops in GYP
+            '>!@(<(apply_locales_cmd) \'<(SHARED_INTERMEDIATE_DIR)/app/<(RULE_INPUT_ROOT)_ZZLOCALE.pak\' <(locales))',
           ],
           'action': ['python', '<@(_inputs)', '-i', '<(RULE_INPUT_PATH)',
             'build', '-o', '<(grit_out_dir)'],
           'message': 'Generating resources from <(RULE_INPUT_PATH)',
         },
       ],
       'sources': [
         # Localizable resources.
         'resources/app_locale_settings.grd',
         'resources/app_strings.grd',
@@ skipping 86 matching lines @@
                 'process_outputs_as_sources': 1,
                 'message': 'Generating appid information in <(SHARED_INTERMEDIATE_DIR)/chrome/appid.h'
               },
             ],
           },
         ],
       ],
     },
   ],
 }