Update chrome for new prefs location.

chrome/browser/ui/webui/md_downloads/md_downloads_dom_handler.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/webui/md_downloads/md_downloads_dom_handler.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
-#include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/supports_user_data.h"
 #include "base/threading/thread.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_danger_prompt.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/download/download_query.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/download/drag_download_item.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/fileicon_source.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "net/base/filename_util.h"
 #include "ui/base/l10n/time_format.h"
 #include "ui/gfx/image/image.h"
@@ skipping 364 matching lines @@
 content::WebContents* MdDownloadsDOMHandler::GetWebUIWebContents() {
   return web_ui()->GetWebContents();
 }
 
 void MdDownloadsDOMHandler::CheckForRemovedFiles() {
   if (GetMainNotifierManager())
     GetMainNotifierManager()->CheckForHistoryFilesRemoval();
   if (GetOriginalNotifierManager())
     GetOriginalNotifierManager()->CheckForHistoryFilesRemoval();
 }