Update GN build files for new prefs location.

components/history/core/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.
 
 static_library("browser") {
   sources = [
     "delete_directive_handler.cc",
     "delete_directive_handler.h",
     "download_constants.h",
     "download_database.cc",
@@ skipping 75 matching lines @@
     "web_history_service.h",
   ]
 
   public_deps = [
     "//skia",
   ]
 
   deps = [
     "//base",
     "//base:i18n",
-    "//base:prefs",
     "//components/favicon_base",
     "//components/history/core/common",
     "//components/keyed_service/core",
+    "//components/prefs",
     "//components/query_parser",
     "//components/signin/core/browser",
     "//components/sync_driver",
     "//components/url_formatter",
     "//google_apis",
     "//net",
     "//sql",
     "//sync",
     "//third_party/sqlite",
     "//ui/base",
@@ skipping 43 matching lines @@
     "typed_url_syncable_service_unittest.cc",
     "url_database_unittest.cc",
     "url_utils_unittest.cc",
     "visit_database_unittest.cc",
     "visit_filter_unittest.cc",
     "visit_tracker_unittest.cc",
   ]
   deps = [
     ":browser",
     "//base",
-    "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/favicon_base",
     "//components/history/core/common",
     "//components/history/core/test",
+    "//components/prefs:test_support",
     "//components/sync_driver:test_support",
     "//sql",
     "//sql:test_support",
     "//sync:test_support_sync_api",
     "//testing/gtest",
     "//ui/gfx:gfx",
     "//url",
   ]
   if (is_android) {
     sources += [ "android/android_history_types_unittest.cc" ]
   }
 }