Move data pack from base to app (it's just part of the resource bundle system...

app/app_base.gypi

 # Copyright (c) 2010 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.
 
 {
   'target_defaults': {
     'variables': {
       'app_base_target': 0,
     },
     'target_conditions': [
@@ skipping 97 matching lines @@
         'clipboard/clipboard.cc',
         'clipboard/clipboard.h',
         'clipboard/clipboard_linux.cc',
         'clipboard/clipboard_mac.mm',
         'clipboard/clipboard_util_win.cc',
         'clipboard/clipboard_util_win.h',
         'clipboard/clipboard_win.cc',
         'clipboard/scoped_clipboard_writer.cc',
         'clipboard/scoped_clipboard_writer.h',
         'combobox_model.h',
+        'data_pack.cc',
+        'data_pack.h',
         'drag_drop_types_gtk.cc',
         'drag_drop_types_win.cc',
         'drag_drop_types.h',
         'event_synthesis_gtk.cc',
         'event_synthesis_gtk.h',
         'file_download_interface.h',
         'gfx/font_util.h',
         'gfx/font_util.cc',
         'gfx/gl/gl_bindings.h',
         'gfx/gl/gl_context.cc',
@@ skipping 321 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }