Linux: remove unmaintained SELinux code.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 2042 matching lines @@
             'browser/net/gaia/gaia_oauth_fetcher_unittest.cc',
           ],
         }],
         ['use_x11==1', {
           'dependencies': [
             '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
           ],
         }],
         ['toolkit_uses_gtk == 1', {
           'conditions': [
-            ['selinux==0', {
-              'dependencies': [
-                '../sandbox/sandbox.gyp:*',
-              ],
-            }],
             ['toolkit_views==1', {
               'sources!': [
                 'browser/ui/gtk/accelerators_gtk_unittest.cc',
                 'browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc',
                 'browser/ui/gtk/bookmarks/bookmark_editor_gtk_unittest.cc',
                 'browser/ui/gtk/gtk_chrome_shrinkable_hbox_unittest.cc',
                 'browser/ui/gtk/gtk_theme_service_unittest.cc',
                 'browser/ui/gtk/omnibox/omnibox_popup_view_gtk_unittest.cc',
                 'browser/ui/gtk/omnibox/omnibox_view_gtk_unittest.cc',
                 'browser/ui/gtk/reload_button_gtk_unittest.cc',
                 'browser/ui/gtk/status_icons/status_tray_gtk_unittest.cc',
               ],
             }],
             ['chromeos==0', {
               'conditions': [
                 ['use_gnome_keyring==1', {
                   # We use a few library functions directly, so link directly.
                   'dependencies': [
                     '../build/linux/system.gyp:gnome_keyring_direct',
                   ],
                 }],
               ],
             }],
           ],
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../build/linux/system.gyp:gtk',
             '../dbus/dbus.gyp:dbus_test_support',
+            '../sandbox/sandbox.gyp:*',
           ],
           'sources!': [
             'browser/printing/print_job_unittest.cc',
           ],
         }, { # else: toolkit_uses_gtk != 1
           'sources!': [
             'browser/ui/gtk/tabs/tab_renderer_gtk_unittest.cc',
             '../ui/views/focus/accelerator_handler_gtk_unittest.cc',
           ],
         }],
@@ skipping 415 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }