Depend on xdisplaycheck when use_x11==1, not when toolkit_uses_gtk==1

webkit/tools/test_shell/test_shell.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.
 
 {
   'variables': {
     'test_shell_windows_resource_files': [
       'resources/test_shell.rc',
       '../../glue/resources/pan_east.cur',
       '../../glue/resources/pan_middle.cur',
@@ skipping 125 matching lines @@
             '<(DEPTH)/webkit/support/webkit_support.gyp:glue',
             '<(DEPTH)/webkit/support/webkit_support.gyp:user_agent',
           ],
           'conditions': [
             ['OS!="android" and OS!="ios"', {
               # npapi test plugin doesn't build on android or ios
               'dependencies': [
                 'copy_npapi_test_plugin',
               ],
             }],
+            ['use_x11==1', {
+              'dependencies': [
+                '<(DEPTH)/tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
+              ],
+            }],
             ['toolkit_uses_gtk == 1', {
               'dependencies': [
                 'test_shell_resources',
                 '<(DEPTH)/build/linux/system.gyp:gtk',
-                '<(DEPTH)/tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
               # for:  test_shell_gtk.cc
               'cflags': ['-Wno-multichar'],
             }],
             ['OS=="win"', {
               'msvs_disabled_warnings': [ 4800 ],
               'link_settings': {
                 'libraries': [
                   '-lcomctl32.lib',
                 ],
@@ skipping 470 matching lines @@
               'action_name': 'test_shell_resources',
               'includes': [ '../../../build/grit_action.gypi' ],
             },
           ],
           'includes': [ '../../../build/grit_target.gypi' ],
         },
       ],
     }],
   ],
 }