compositor_unittests target is unimplmented on Mac

webkit/glue/webkit_glue.gypi

 # Copyright (c) 2011 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': {
     'conditions': [
       ['inside_chromium_build==0', {
         'webkit_src_dir': '../../../../..',
       },{
@@ skipping 436 matching lines @@
           'dependencies': [
             '<(DEPTH)/build/linux/system.gyp:gtk',
           ],
           'sources/': [['exclude', '_x11\\.cc$']],
           'sources!': [
             'plugins/plugin_stubs.cc',
           ],
         }],
         ['use_aura==1', {
           'sources/': [
-            ['exclude', '^../plugins/npapi/webplugin_delegate_impl_win.cc'],
+            ['exclude', '^\\.\\./plugins/npapi/webplugin_delegate_impl_mac.mm'],
+            ['exclude', '^\\.\\./plugins/npapi/webplugin_delegate_impl_win.cc'],
           ],
           'sources!': [
+            'webcursor_mac.mm',
             'webcursor_win.cc',
           ],
         }],
         ['OS!="mac"', {
           'sources/': [['exclude', '_mac\\.(cc|mm)$']],
           'sources!': [
             'webthemeengine_impl_mac.cc',
           ],
         }, {  # else: OS=="mac"
           'sources/': [['exclude', 'plugin_(lib|list)_posix\\.cc$']],
@@ skipping 69 matching lines @@
               },
               'includes': [ '../../build/grit_action.gypi' ],
             },
           ],
           'includes': [ '../../build/grit_target.gypi' ],
         },
       ],
     }],
   ],
 }