Add BrowsingDataCounterFactory

chrome/browser/browsing_data/browsing_data_counter_factory.cc

+// Copyright 2016 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/browsing_data/browsing_data_counter_factory.h"
+
+#include "chrome/browser/browsing_data/autofill_counter.h"
+#include "chrome/browser/browsing_data/browsing_data_counter_utils.h"
+#include "chrome/browser/browsing_data/cache_counter.h"
+#include "chrome/browser/browsing_data/downloads_counter.h"
+#include "chrome/browser/browsing_data/history_counter.h"
+#include "chrome/browser/browsing_data/media_licenses_counter.h"
+#include "chrome/browser/browsing_data/passwords_counter.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/pref_names.h"
+#include "components/browsing_data/counters/browsing_data_counter.h"
+
+#if defined(ENABLE_EXTENSIONS)
+#include "chrome/browser/browsing_data/hosted_apps_counter.h"
+#endif
+
+// static
+browsing_data::BrowsingDataCounter*

[msramek, 2016/07/07 11:55:32]

We should return a unique_ptr<>, not a naked pointer. That will also simplify
the code on the callsites.

[ioanap, 2016/07/07 16:30:48]

Done.

+BrowsingDataCounterFactory::GetForPreference(std::string pref_name,
+                                             Profile* profile) {
+  if (!AreCountersEnabled())
+    return nullptr;
+
+  if (pref_name == prefs::kDeleteBrowsingHistory)
+    return new HistoryCounter(profile);
+  if (pref_name == prefs::kDeleteCache)
+    return new CacheCounter(profile);
+  if (pref_name == prefs::kDeletePasswords)
+    return new PasswordsCounter(profile);
+  if (pref_name == prefs::kDeleteFormData)
+    return new AutofillCounter(profile);
+  if (pref_name == prefs::kDeleteDownloadHistory)
+    return new DownloadsCounter(profile);
+  if (pref_name == prefs::kDeleteMediaLicenses)
+    return new MediaLicensesCounter(profile);
+#if defined(ENABLE_EXTENSIONS)
+  if (pref_name == prefs::kDeleteHostedAppsData)
+    return new HostedAppsCounter(profile);
+#endif
+
+  return nullptr;
+}