compositor_unittests target is unimplmented on Mac

ui/gfx/compositor/compositor.gyp

 # 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': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'sources/': [
@@ skipping 42 matching lines @@
         'layer_animation_element.h',
         'layer_animation_observer.h',
         'layer_animation_sequence.cc',
         'layer_animation_sequence.h',
         'layer_animator.cc',
         'layer_animator.h',
         'screen_rotation.cc',
         'screen_rotation.h',
       ],
       'conditions': [
-        ['os_posix == 1 and OS != "mac"', {
+        ['os_posix == 1', {
           'sources!': [
             'compositor_stub.cc',
           ],
         }],
         ['OS == "win" and views_compositor == 1', {
           'sources!': [
             'compositor_stub.cc',
           ],
           # TODO(sky): before we make this real need to remove
           # IDR_BITMAP_BRUSH_IMAGE.
           'dependencies': [
             '<(DEPTH)/ui/ui.gyp:gfx_resources',
           ],
           'link_settings': {
             'libraries': [
               '-ld3d10.lib',
               '-ld3dx10d.lib',
               '-ldxerr.lib',
               '-ldxguid.lib',
             ]
           },
         }],
         ['OS == "win" and views_compositor == 0', {
           'sources/': [
             ['exclude', '^compositor_win.cc'],
           ],
         }],
         ['use_webkit_compositor == 1', {
             'sources/': [
-              ['exclude', '^compositor_(gl|win|stub).(h|cc)$'],
+              ['exclude', '^compositor_(gl|mac|win|stub).(h|cc|mm)$'],
             ],
             'dependencies': [
               '<(DEPTH)/third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
               '<(DEPTH)/webkit/support/webkit_support.gyp:fileapi',
               '<(DEPTH)/webkit/support/webkit_support.gyp:glue',
               '<(DEPTH)/webkit/support/webkit_support.gyp:webkit_gpu',
             ],
           }, {
             'sources!': [
               'compositor_cc.cc',
               'compositor_cc.h',
             ],
           }
         ],
       ],
     },
     {
       'target_name': 'compositor_test_support',
       'type': 'static_library',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
       ],
       'sources': [
         'compositor_test_support.cc',
         'compositor_test_support.h',
       ],
       'conditions': [
         ['use_webkit_compositor == 1', {
             'dependencies': [
-              '<(DEPTH)/base/allocator/allocator.gyp:allocator',
               '<(DEPTH)/webkit/support/webkit_support.gyp:webkit_support',
               '<(DEPTH)/third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
             ],
         }],
+        ['use_webkit_compositor == 1 and OS != "mac"', {
+            'dependencies': [
+              '<(DEPTH)/base/allocator/allocator.gyp:allocator',
+            ],
+        }],
       ],
     },
     {
       'target_name': 'compositor_unittests',
       'type': 'executable',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/base.gyp:test_support_base',
         '<(DEPTH)/chrome/chrome_resources.gyp:packed_resources',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/testing/gtest.gyp:gtest',
         '<(DEPTH)/ui/gfx/gl/gl.gyp:gl',
         '<(DEPTH)/ui/ui.gyp:gfx_resources',
         '<(DEPTH)/ui/ui.gyp:ui',
         '<(DEPTH)/ui/ui.gyp:ui_resources',
         'compositor',
         'compositor_test_support',
         'test_compositor',
       ],
       'sources': [
         'layer_animation_element_unittest.cc',
         'layer_animation_sequence_unittest.cc',
         'layer_animator_unittest.cc',
         'layer_unittest.cc',
         'run_all_unittests.cc',
         'test_compositor_host.h',
         'test_compositor_host_linux.cc',
+        'test_compositor_host_mac.mm',
         'test_compositor_host_win.cc',
         'test_layer_animation_delegate.cc',
         'test_layer_animation_delegate.h',
         'test_layer_animation_observer.cc',
         'test_layer_animation_observer.h',
         'test_suite.cc',
         'test_suite.h',
         'test_utils.cc',
         'test_utils.h',
         '<(SHARED_INTERMEDIATE_DIR)/ui/gfx/gfx_resources.rc',
@@ skipping 30 matching lines @@
             'test_compositor.cc',
             'test_compositor.h',
             'test_texture.cc',
             'test_texture.h',
           ],
         }],
       ],
     },
   ],
 }