ui/base/resource: Roll our own version of ReadBigEndian() function.

base/base.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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
       'base_i18n_target': 0,
     },
@@ skipping 71 matching lines @@
           'atomic_sequence_num.h',
           'atomicops.h',
           'atomicops_internals_gcc.h',
           'atomicops_internals_mac.h',
           'atomicops_internals_tsan.h',
           'atomicops_internals_x86_gcc.cc',
           'atomicops_internals_x86_gcc.h',
           'atomicops_internals_x86_msvc.h',
           'barrier_closure.cc',
           'barrier_closure.h',
+          'base64.cc',
+          'base64.h',
           'base_export.h',
           'base_paths.cc',
           'base_paths.h',
           'base_paths_android.cc',
           'base_paths_android.h',
           'base_paths_mac.h',
           'base_paths_mac.mm',
           'base_paths_posix.cc',
           'base_paths_posix.h',
           'base_paths_win.cc',
           'base_paths_win.h',
           'base_switches.h',
-          'base64.cc',
-          'base64.h',
           'basictypes.h',
+          'big_endian.cc',
+          'big_endian.h',
           'bind.h',
           'bind_helpers.cc',
           'bind_helpers.h',
           'bind_internal.h',
           'bind_internal_win.h',
           'bits.h',
           'build_time.cc',
           'build_time.h',
           'callback.h',
           'callback_helpers.cc',
@@ skipping 858 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }