Added xdisplaycheck target to browser_tests deps

chrome/chrome_tests.gypi

 # Copyright 2013 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.
 {
   'includes': [
     'js_unittest_vars.gypi',
   ],
   'targets': [
     {
       'target_name': 'interactive_ui_tests',
@@ skipping 2019 matching lines @@
         }],
         ['remoting==1', {
           'dependencies': [
             '../remoting/remoting.gyp:remoting_webapp',
           ]
         }, {
           'sources/': [
             ['exclude', '^test/remoting'],
           ],
         }],
+        ['use_x11==1', {
+          'dependencies': [
+            '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
+          ],
+        }],
       ],  # conditions
     },  # target browser_tests
     {
       # Executable that runs each perf browser test in a new process.
       'target_name': 'performance_browser_tests',
       'type': 'executable',
       'dependencies': [
         'browser',
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
@@ skipping 941 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }