[sync] Componentize switches used by ProfileSyncService

components/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("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 # Collection of all components. You wouldn't link to this, but this is rather
 # to reference the files so they can be compiled by the build system.
 group("all_components") {
   testonly = true  # You shouldn't actually link to this.
   visibility = [ "//:*" ]  # Only for the root targets to bring in.
 
   deps = [
     "//components/bookmarks/browser",
     "//components/bookmarks/common",
     "//components/bookmarks/managed",
     "//components/bookmarks/test",
+    "//components/browser_sync/common",
     "//components/bubble",
     "//components/captive_portal",
     "//components/chrome_apps",
     "//components/component_updater",
     "//components/compression",
     "//components/crx_file",
     "//components/data_reduction_proxy/core/browser",
     "//components/data_reduction_proxy/core/common",
     "//components/device_event_log",
     "//components/google/core/browser",
@@ skipping 595 matching lines @@
   ]
   if (!is_ios) {
     deps += [
       "//base",
       "//base/test:test_support_perf",
       "//content/test:test_support",
       "//components/visitedlink/browser",
     ]
   }
 }