Remove the wrapper functions content::RecordAction et al

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"
@@ skipping 21 matching lines @@
 #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_danger_type.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"
 
-using base::UserMetricsAction;
 using content::BrowserThread;
 
 namespace {
 
 enum DownloadsDOMEvent {
   DOWNLOADS_DOM_EVENT_GET_DOWNLOADS = 0,
   DOWNLOADS_DOM_EVENT_OPEN_FILE = 1,
   DOWNLOADS_DOM_EVENT_DRAG = 2,
   DOWNLOADS_DOM_EVENT_SAVE_DANGEROUS = 3,
   DOWNLOADS_DOM_EVENT_DISCARD_DANGEROUS = 4,
@@ skipping 396 matching lines @@
 
 void MdDownloadsDOMHandler::RemoveDownloadInArgs(const base::ListValue* args) {
   content::DownloadItem* file = GetDownloadByValue(args);
   if (!file)
     return;
 
   DownloadVector downloads;
   downloads.push_back(file);
   RemoveDownloads(downloads);
 }