test_shell and test_shell_tests on Linux from gyp-generated scons files:

base/base.gyp

 # Copyright (c) 2009 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,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 361 matching lines @@
           },
         ],
       ],
     },
     {
       'target_name': 'base_gfx',
       'type': 'static_library',
       'sources': [
         'gfx/gdi_util.cc',
         'gfx/gdi_util.h',
+        'gfx/gtk_util.cc',
+        'gfx/gtk_util.h',
         'gfx/jpeg_codec.cc',
         'gfx/jpeg_codec.h',
         'gfx/native_theme.cc',
         'gfx/native_theme.h',
         'gfx/native_widget_types.h',
         'gfx/platform_canvas.h',
         'gfx/platform_canvas_linux.h',
         'gfx/platform_canvas_mac.h',
         'gfx/platform_device_linux.h',
         'gfx/platform_device_mac.h',
@@ skipping 16 matching lines @@
         '../skia/skia.gyp:skia',
         '../third_party/libjpeg/libjpeg.gyp:libjpeg',
         '../third_party/libpng/libpng.gyp:libpng',
         '../third_party/zlib/zlib.gyp:zlib',
       ],
       'export_dependent_settings': [
         'base',
       ],
       'conditions': [
         [ 'OS != "win"', { 'sources!': [
-          'gfx/gdi_util.cc',
-          'gfx/native_theme.cc' ]
+            'gfx/gdi_util.cc',
+            'gfx/native_theme.cc',
+          ],
+        }],
+        [ 'OS != "linux"', { 'sources!': [
+            'gfx/gtk_util.cc',
+          ],
         }],
       ],
     },
     {
       'target_name': 'base_unittests',
       'type': 'executable',
       'sources': [
         'gfx/jpeg_codec_unittest.cc',
         'gfx/native_theme_unittest.cc',
         'gfx/png_codec_unittest.cc',
@@ skipping 122 matching lines @@
           'target_name': 'debug_message',
           'type': 'executable',
           'sources': [
             'debug_message.cc',
           ],
         },
       ],
     }],
   ],
 }