Move non-content specific parts of content::MachBroker into base::MachPortBroker.

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../cc/cc.gyp:cc',
     '../cc/cc.gyp:cc_surfaces',
     '../components/mime_util/mime_util.gyp:mime_util',
@@ skipping 2072 matching lines @@
       ],
       'sources!': [
         'browser/geolocation/empty_wifi_data_provider.cc',
       ],
       'dependencies': [
         '../media/media.gyp:media',
         '../third_party/mozilla/mozilla.gyp:mozilla',
         '../third_party/sudden_motion_sensor/sudden_motion_sensor.gyp:sudden_motion_sensor',
         '../ui/accelerated_widget_mac/accelerated_widget_mac.gyp:accelerated_widget_mac',
       ],
-      'link_settings': {
-        'libraries': [
-          '$(SDKROOT)/usr/lib/libbsm.dylib',
-        ],
-      },
     }],
     ['chromeos==1', {
       'dependencies': [
         '../build/linux/system.gyp:dbus',
         '../chromeos/chromeos.gyp:chromeos',
         '../chromeos/chromeos.gyp:power_manager_proto',
       ],
       'sources!': [
         'browser/device_sensors/data_fetcher_shared_memory_default.cc',
         'browser/geolocation/wifi_data_provider_linux.cc',
@@ skipping 88 matching lines @@
     ['enable_webvr==1 and OS=="android"', {
       'sources': [
         'browser/vr/android/cardboard/cardboard_vr_device.cc',
         'browser/vr/android/cardboard/cardboard_vr_device.h',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.cc',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.h',
       ],
     }],
   ],
 }