[PoC] Reformat all BUILD.gn and *.gni files with new gn.

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/config/features.gni")
 
 source_set("sync_driver") {
   sources = [
     "about_sync_util.cc",
     "about_sync_util.h",
@@ skipping 230 matching lines @@
   ]
   deps = [
     ":test_support",
     "//base",
     "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/os_crypt",
     "//components/pref_registry:test_support",
     "//components/version_info",
     "//net:test_support",
+    "//sync:test_support_sync_api",
     "//sync:test_support_sync_internal_api",
-    "//sync:test_support_sync_api",
     "//testing/gmock",
     "//testing/gtest",
     "//url",
   ]
 
   if (enable_configuration_policy) {
     sources += [ "sync_policy_handler_unittest.cc" ]
     deps += [
       "//components/policy",
       "//components/policy:policy_component",
     ]
   }
 }