Make software compositing work on Mac.

content/content_tests.gypi

 # Copyright (c) 2013 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': 'test_support_content',
       'type': 'static_library',
       'dependencies': [
@@ skipping 424 matching lines @@
         'browser/renderer_host/pepper/browser_ppapi_host_test.cc',
         'browser/renderer_host/pepper/browser_ppapi_host_test.h',
         'browser/renderer_host/pepper/pepper_gamepad_host_unittest.cc',
         'browser/renderer_host/pepper/pepper_printing_host_unittest.cc',
         'browser/renderer_host/render_view_host_unittest.cc',
         'browser/renderer_host/render_widget_host_unittest.cc',
         'browser/renderer_host/render_widget_host_view_aura_unittest.cc',
         'browser/renderer_host/render_widget_host_view_guest_unittest.cc',
         'browser/renderer_host/render_widget_host_view_mac_editcommand_helper_unittest.mm',
         'browser/renderer_host/render_widget_host_view_mac_unittest.mm',
+        'browser/renderer_host/software_frame_manager_unittest.cc',
         'browser/renderer_host/synthetic_gesture_controller_unittest.cc',
         'browser/renderer_host/text_input_client_mac_unittest.mm',
         'browser/renderer_host/web_input_event_aura_unittest.cc',
         'browser/renderer_host/websocket_dispatcher_host_unittest.cc',
         'browser/renderer_host/input/web_input_event_builders_gtk_unittest.cc',
         'browser/resolve_proxy_msg_helper_unittest.cc',
         'browser/site_instance_impl_unittest.cc',
         'browser/speech/chunked_byte_buffer_unittest.cc',
         'browser/speech/endpointer/endpointer_unittest.cc',
         'browser/speech/google_one_shot_remote_engine_unittest.cc',
@@ skipping 1143 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }