Rationalize linux vs x11 in ui

ui/surface/surface.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': {
@@ skipping 67 matching lines @@
         'io_surface_support_mac.h',
         'surface_export.h',
         'surface_switches.h',
         'surface_switches.cc',
         'transport_dib.h',
         'transport_dib.cc',
         'transport_dib_posix.cc',
         'transport_dib_sysvipc.cc',
         'transport_dib_win.cc',
       ],
+      'conditions': [
+        ['use_x11 != 1 and OS != "mac"', {
+          'sources!': [
+            'transport_dib_sysvipc.cc',
+          ],
+        }],
+      ],      
       'defines': [
         'SURFACE_IMPLEMENTATION',
       ],
     },
   ],
   'conditions': [
     ['OS == "win"', {
       'targets': [
         {
           'target_name': 'surface_gpu_tests',
           'type': '<(gtest_target_type)',
           'dependencies': [
             '<(DEPTH)/base/base.gyp:base',
             '<(DEPTH)/base/base.gyp:run_all_unittests',
             '<(DEPTH)/media/media.gyp:yuv_convert',
             '<(DEPTH)/skia/skia.gyp:skia',
             '<(DEPTH)/testing/gtest.gyp:gtest',
             '<(DEPTH)/ui/ui.gyp:ui',
             'surface',
           ],
           'sources': [
             'accelerated_surface_transformer_win_unittest.cc',
           ],
         },
       ],
     }],
   ],
 }