aura_builder target needs to work on Mac

build/all.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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
@@ skipping 587 matching lines @@
               # Tests that currently only work on Linux.
               'dependencies': [
                 '../base/base.gyp:base_unittests',
                 '../chrome/chrome.gyp:sync_unit_tests',
                 '../content/content.gyp:content_unittests',
                 '../ipc/ipc.gyp:ipc_tests',
                 '../sql/sql.gyp:sql_unittests',
                 '../ui/ui.gyp:gfx_unittests',
               ],
             }],
+            ['OS=="mac"', {
+              # Exclude dependencies that are not currently implemented.
+              'dependencies!': [
+                '../ash/ash.gyp:aura_shell_unittests',
+                '../chrome/chrome.gyp:chrome',
+                '../chrome/chrome.gyp:unit_tests',
+                '../chrome/chrome.gyp:ui_tests',
+                '../ui/views/views.gyp:views_unittests',
+              ],
+            }],
           ],
         },
       ],  # targets
     }], # "use_aura==1"
   ], # conditions
 }