[Mac/GN] Set up the component build.

components/bookmarks/browser/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/ui.gni")
 
 source_set("browser") {
   sources = [
     "base_bookmark_model_observer.cc",
     "base_bookmark_model_observer.h",
@@ skipping 48 matching lines @@
     "//third_party/icu",
     "//ui/base",
     "//ui/gfx",
     "//url",
   ]
 
   if (toolkit_views) {
     sources += [ "bookmark_node_data_views.cc" ]
     deps += [ "//ui/views" ]
   }
+
+  if (is_mac) {
+    libs = [
+      "AppKit.framework",
+      "Foundation.framework",
+    ]
+  }
 }
 
 bundle_data("unit_tests_bundle_data") {
   visibility = [ ":unit_tests" ]
   testonly = true
   sources = [
     "//components/test/data/bookmarks/meta_info_as_string.json",
     "//components/test/data/bookmarks/model_without_sync.json",
   ]
   outputs = [
@@ skipping 32 matching lines @@
     "//url",
   ]
 
   if (use_x11) {
     deps += [
       "//ui/events/platform/x11",
       "//ui/gfx/x",
     ]
   }
 }