Clean up dependencies on X11 libraries

chrome/chrome_browser.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': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 3065 matching lines @@
                 '../win8/win8.gyp:metro_viewer',
               ],
             }],
           ],
         }],
         ['ui_compositor_image_transport==1', {
           'dependencies': [
             '../ui/gl/gl.gyp:gl',
           ],
         }],
-        ['os_posix == 1 and OS != "mac" and OS != "ios" and OS != "android"', {
-          'link_settings': {
-            'libraries': [
-              '-lXss',
-            ],
-          },
+        ['use_x11==1', {
+          'dependencies': [
+            '../build/linux/system.gyp:xscrnsaver',
+          ],
         }],
         ['os_posix == 1 and OS != "mac" and OS != "ios"', {
           'sources': [
             'app/chrome_breakpad_client.cc',
             'app/chrome_breakpad_client.h',
           ],
           'dependencies': [
             '../components/components.gyp:breakpad_component',
             '../components/components.gyp:breakpad_host',
           ],
@@ skipping 627 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }