Move DispatchSourceMach from //sandbox/mac to //base/mac.

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/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 253 matching lines @@
     "logging.cc",
     "logging.h",
     "logging_win.cc",
     "logging_win.h",
     "mac/authorization_util.h",
     "mac/authorization_util.mm",
     "mac/bind_objc_block.h",
     "mac/bundle_locations.h",
     "mac/bundle_locations.mm",
     "mac/cocoa_protocols.h",
+    "mac/dispatch_source_mach.cc",
+    "mac/dispatch_source_mach.h",
     "mac/foundation_util.h",
     "mac/foundation_util.mm",
     "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.cc",
     "mac/mac_logging.h",
@@ skipping 859 matching lines @@
     "ios/weak_nsobject_unittest.mm",
     "json/json_parser_unittest.cc",
     "json/json_reader_unittest.cc",
     "json/json_value_converter_unittest.cc",
     "json/json_value_serializer_unittest.cc",
     "json/json_writer_unittest.cc",
     "json/string_escape_unittest.cc",
     "lazy_instance_unittest.cc",
     "logging_unittest.cc",
     "mac/bind_objc_block_unittest.mm",
+    "mac/dispatch_source_mach_unittest.cc",
     "mac/foundation_util_unittest.mm",
     "mac/libdispatch_task_runner_unittest.cc",
     "mac/mac_util_unittest.mm",
     "mac/objc_property_releaser_unittest.mm",
     "mac/scoped_nsobject_unittest.mm",
     "mac/scoped_objc_class_swizzler_unittest.mm",
     "mac/scoped_sending_event_unittest.mm",
     "md5_unittest.cc",
     "memory/aligned_memory_unittest.cc",
     "memory/discardable_shared_memory_unittest.cc",
@@ skipping 340 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }