[Mac/GN] Set up the component build.

device/battery/BUILD.gn

 # Copyright 2014 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/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 # On android, BatteryManager mojo service is implemented directly in Java.
 if (!is_android) {
   component("battery") {
@@ skipping 41 matching lines @@
         configs += [ "//build/config/linux/dbus" ]
         deps += [ "//dbus" ]
         sources -= [ "battery_status_manager_default.cc" ]
       } else {
         sources -= [ "battery_status_manager_linux.cc" ]
       }
     }
 
     if (is_mac) {
       sources -= [ "battery_status_manager_default.cc" ]
+      libs = [
+        "CoreFoundation.framework",
+        "IOKit.framework",
+      ]
     }
 
     if (is_win) {
       sources -= [ "battery_status_manager_default.cc" ]
     }
   }
 }
 
 mojom("mojo_bindings") {
   sources = [
     "battery_monitor.mojom",
     "battery_status.mojom",
   ]
 }