aura: Explicitly disable GTK

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 8bca61beef2fa1c2ebdd7d6fdca2e5432b9fea84..a4755e3b0743cc48ec37203c065bcaab37a362e3 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -144,7 +144,7 @@
         'i18n/icu_string_conversions_unittest.cc',
         'i18n/number_formatting_unittest.cc',
         'i18n/rtl_unittest.cc',
-	'i18n/string_search_unittest.cc',
+        'i18n/string_search_unittest.cc',
         'i18n/time_formatting_unittest.cc',
         'json/json_reader_unittest.cc',
         'json/json_writer_unittest.cc',
@@ -257,13 +257,10 @@
         'module_dir': 'base'
       },
       'conditions': [
-        ['toolkit_uses_gtk==1', {
+        ['use_glib==1', {
           'sources!': [
             'file_version_info_unittest.cc',
           ],
-          'sources': [
-            'nix/xdg_util_unittest.cc',
-          ],
           'conditions': [
             [ 'linux_use_tcmalloc==1', {
                 'dependencies': [
@@ -278,13 +275,21 @@
                 '-fno-strict-aliasing',
               ],
             }],
+            [ 'toolkit_uses_gtk==1', {
+              'sources': [
+                'nix/xdg_util_unittest.cc',
+              ],
+              'dependencies': [
+                '../build/linux/system.gyp:gtk',
+              ]
+            }],
           ],
           'dependencies': [
-            '../build/linux/system.gyp:gtk',
+            '../build/linux/system.gyp:glib',
             '../build/linux/system.gyp:ssl',
             '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
           ],
-        }, {  # toolkit_uses_gtk!=1
+        }, {  # use_glib!=1
           'sources!': [
             'message_pump_glib_unittest.cc',
           ]