Fix the build dependency of ProfileSyncService on sync.pb.h

components/sync_driver/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/buildflag_header.gni")
 import("//build/config/features.gni")
 
 source_set("sync_driver") {
   sources = [
     "about_sync_util.cc",
@@ skipping 108 matching lines @@
     "system_encryptor.cc",
     "system_encryptor.h",
     "ui_data_type_controller.cc",
     "ui_data_type_controller.h",
     "ui_model_type_controller.cc",
     "ui_model_type_controller.h",
     "user_selectable_sync_type.h",
   ]
 
   public_deps = [
+    "//sync",
     "//third_party/cacheinvalidation",
   ]
+
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
     "//components/data_use_measurement/core",
     "//components/invalidation/public",
     "//components/metrics",
     "//components/os_crypt",
     "//components/pref_registry",
     "//components/prefs",
     "//components/signin/core/browser",
     "//components/version_info",
     "//google_apis",
     "//net",
-    "//sync",
   ]
 
   if (enable_configuration_policy) {
     sources += [
       "sync_policy_handler.cc",
       "sync_policy_handler.h",
     ]
     deps += [
       "//components/policy",
       "//components/policy:policy_component",
@@ skipping 100 matching lines @@
   ]
 
   if (enable_configuration_policy) {
     sources += [ "sync_policy_handler_unittest.cc" ]
     deps += [
       "//components/policy",
       "//components/policy:policy_component",
     ]
   }
 }