Remove bundled gsettings header now that we're using Ubuntu Precise.

build/linux/system.gyp

 # 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': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': './pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
       }, {
@@ skipping 361 matching lines @@
               'outputs': [
                 '<(output_h)',
                 '<(output_cc)',
               ],
               'action': ['python',
                          '<(generator)',
                          '--name', 'LibGioLoader',
                          '--output-h', '<(output_h)',
                          '--output-cc', '<(output_cc)',
                          '--header', '<gio/gio.h>',
-                         # TODO(phajdan.jr): This will no longer be needed
-                         # after switch to Precise, http://crbug.com/158577 .
-                         '--bundled-header', '"build/linux/gsettings.h"',
                          '--link-directly=<(linux_link_gsettings)',
                          'g_settings_new',
                          'g_settings_get_child',
                          'g_settings_get_string',
                          'g_settings_get_boolean',
                          'g_settings_get_int',
                          'g_settings_get_strv',
                          'g_settings_list_schemas',
               ],
               'message': 'Generating libgio library loader.',
@@ skipping 441 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }