Fix mac GN build.

base/BUILD.gn

 # 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.
 
 import("//build/config/android/rules.gni")
 import("//build/config/ui.gni")
 
 component("base") {
   sources = [
     "third_party/dmg_fp/dmg_fp.h",
@@ skipping 240 matching lines @@
     "mac/launch_services_util.cc",
     "mac/launch_services_util.h",
     "mac/launchd.cc",
     "mac/launchd.h",
     "mac/libdispatch_task_runner.cc",
     "mac/libdispatch_task_runner.h",
     "mac/mac_logging.h",
     "mac/mac_logging.cc",
     "mac/mac_util.h",
     "mac/mac_util.mm",
+    "mac/mach_logging.cc",
+    "mac/mach_logging.h",
     "mac/objc_property_releaser.h",
     "mac/objc_property_releaser.mm",
     "mac/os_crash_dumps.cc",
     "mac/os_crash_dumps.h",
     "mac/scoped_aedesc.h",
     "mac/scoped_authorizationref.h",
     "mac/scoped_block.h",
     "mac/scoped_cftyperef.h",
     "mac/scoped_ioobject.h",
     "mac/scoped_ioplugininterface.h",
@@ skipping 1040 matching lines @@
       "android/java/src/org/chromium/base/PathUtils.java",
       "android/java/src/org/chromium/base/PowerMonitor.java",
       "android/java/src/org/chromium/base/SystemMessageHandler.java",
       "android/java/src/org/chromium/base/SysUtils.java",
       "android/java/src/org/chromium/base/ThreadUtils.java",
       "android/java/src/org/chromium/base/TraceEvent.java",
     ]
     jni_package = "base"
   }
 }