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
+std::unique_ptr<browsing_data::BrowsingDataCounter>
+BrowsingDataCounterFactory::GetForProfileAndPref(Profile* profile,
+                                                 const std::string& pref_name) {
+  if (!AreCountersEnabled())
+    return nullptr;
+
+  if (pref_name == prefs::kDeleteBrowsingHistory)

[Bernhard Bauer, 2016/07/11 10:57:02]

These need braces, as they are more than one line. Also, some empty lines might
be nice for readability.

[ioanap, 2016/07/11 13:34:15]

Done.

+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new HistoryCounter(profile));

[Bernhard Bauer, 2016/07/11 10:57:02]

Would base::WrapUnique or even base::MakeUnique work here?

[ioanap, 2016/07/11 13:34:15]

base::MakeUnique looks good! Thank you!

Done.

+  if (pref_name == prefs::kDeleteCache)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new CacheCounter(profile));
+  if (pref_name == prefs::kDeletePasswords)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new PasswordsCounter(profile));
+  if (pref_name == prefs::kDeleteFormData)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new AutofillCounter(profile));
+  if (pref_name == prefs::kDeleteDownloadHistory)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new DownloadsCounter(profile));
+  if (pref_name == prefs::kDeleteMediaLicenses)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new MediaLicensesCounter(profile));
+#if defined(ENABLE_EXTENSIONS)
+  if (pref_name == prefs::kDeleteHostedAppsData)
+    return std::unique_ptr<browsing_data::BrowsingDataCounter>(
+        new HostedAppsCounter(profile));
+#endif
+
+  return nullptr;
+}