[Sync] Merge //components/browser_sync into one directory.

ios/chrome/browser/BUILD.gn

 # Copyright 2015 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("//ios/web/js_compile.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 declare_args() {
   google_test_gaia_client_id = ""
@@ skipping 595 matching lines @@
     ":about_flags",
     ":injected_js",
     "//base",
     "//base:i18n",
     "//breakpad:client",
     "//components/about_handler",
     "//components/autofill/core/browser",
     "//components/autofill/core/common",
     "//components/autofill/ios/browser",
     "//components/bookmarks/browser",
-    "//components/browser_sync/browser",
-    "//components/browser_sync/common",
+    "//components/browser_sync",
     "//components/browsing_data/core",
     "//components/browsing_data_ui",
     "//components/component_updater",
     "//components/content_settings/core/browser",
     "//components/content_settings/core/common",
     "//components/cookie_config",
     "//components/crash/core/browser",
     "//components/crash/core/common",
     "//components/dom_distiller/core",
     "//components/dom_distiller/ios",
@@ skipping 192 matching lines @@
     "sync/ios_chrome_profile_sync_test_util.cc",
     "sync/ios_chrome_profile_sync_test_util.h",
     "sync/sync_setup_service_mock.cc",
     "sync/sync_setup_service_mock.h",
   ]
 
   deps = [
     ":browser",
     "//base",
     "//components/bookmarks/browser",
-    "//components/browser_sync/browser",
-    "//components/browser_sync/browser:test_support",
+    "//components/browser_sync",
+    "//components/browser_sync:test_support",
     "//components/history/core/browser",
     "//components/history/ios/browser",
     "//components/keyed_service/core",
     "//components/keyed_service/ios",
     "//components/pref_registry:test_support",
     "//components/signin/core/browser",
     "//components/signin/core/browser",
     "//components/signin/core/browser:test_support",
     "//components/signin/ios/browser",
     "//components/signin/ios/browser:test_support",
     "//components/sync",
     "//components/sync:test_support_sync_driver",
     "//components/syncable_prefs",
     "//components/syncable_prefs:test_support",
     "//components/user_prefs",
     "//components/webdata_services",
     "//ios/chrome/browser",
     "//ios/chrome/common",
     "//ios/chrome/test",
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser:test_support",
     "//ios/web",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }