Update GN build files for new prefs location.

components/dom_distiller/core/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.
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_core
 source_set("core") {
   sources = [
     "article_attachments_data.cc",
     "article_attachments_data.h",
     "article_distillation_update.cc",
@@ skipping 46 matching lines @@
     "viewer.cc",
     "viewer.h",
   ]
 
   public_deps = [
     "//components/dom_distiller/core/proto",
     "//third_party/dom_distiller_js:proto",
   ]
   deps = [
     "//base",
-    "//base:prefs",
     "//components/leveldb_proto",
     "//components/pref_registry",
+    "//components/prefs",
     "//components/resources",
     "//components/strings",
     "//components/variations",
     "//net",
     "//skia",
     "//sync",
     "//third_party/re2",
     "//ui/base",
     "//url",
   ]
@@ skipping 72 matching lines @@
 
   generate_jni("jni_headers") {
     sources = [
       "../android/java/src/org/chromium/components/dom_distiller/core/DistilledPagePrefs.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerService.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java",
     ]
     jni_package = "dom_distiller_core"
   }
 }