Use gyp targets to link in X11 libraries instead of setting -lXfoo

ui/views/views.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': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'conditions': [
       ['use_aura==1', {
@@ skipping 590 matching lines @@
             'win/scoped_fullscreen_visibility.h',
             'widget/widget_hwnd_utils.cc',
             'widget/widget_hwnd_utils.h',
           ],
         }],
         ['use_ozone==1', {
           'dependencies': [
             '../ozone/ozone.gyp:ozone',
           ],
         }],
+        ['use_x11==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:x11',
+            '../../build/linux/system.gyp:xrandr',
+          ],
+        }],
       ],
     }, # target_name: views
     {
       'target_name': 'views_test_support',
       'type': 'static_library',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../ipc/ipc.gyp:test_support_ipc',
         '../../skia/skia.gyp:skia',
         '../../testing/gtest.gyp:gtest',
@@ skipping 462 matching lines @@
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }