Update GN build files for new prefs location.

net/BUILD.gn

 # Copyright (c) 2013 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/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 104 matching lines @@
   ":net_resources",
   "//base",
   "//net/base/registry_controlled_domains",
   "//third_party/protobuf:protobuf_lite",
 ]
 
 if (!is_nacl) {
   net_shared_sources += gypi_values.net_non_nacl_sources
 
   net_shared_deps += [
-    "//base:prefs",
     "//base/third_party/dynamic_annotations",
+    "//components/prefs",
     "//sdch",
     "//third_party/zlib",
   ]
 
   if (!use_kerberos) {
     net_shared_sources -= [
       "http/http_auth_gssapi_posix.cc",
       "http/http_auth_gssapi_posix.h",
       "http/http_auth_handler_negotiate.cc",
       "http/http_auth_handler_negotiate.h",
@@ skipping 1260 matching lines @@
   deps = [
     ":balsa",
     ":extras",
     ":http_server",
     ":net",
     ":simple_quic_tools",
     ":stale_while_revalidate_experiment_domains",
     ":test_support",
     "//base",
     "//base:i18n",
-    "//base:prefs_test_support",
     "//base/third_party/dynamic_annotations",
     "//crypto",
     "//crypto:platform",
     "//crypto:test_support",
     "//net/base/registry_controlled_domains",
     "//sql",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/zlib",
     "//url",
@@ skipping 322 matching lines @@
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }
 
 buildflag_header("features") {
   header = "net_features.h"
 
   flags = [ "ENABLE_BIDIRECTIONAL_STREAM=$enable_bidirectional_stream" ]
 }