Add a counter to calculate the total size of site data.

chrome/browser/browsing_data/site_data_counter.cc

Index: chrome/browser/browsing_data/site_data_counter.cc
diff --git a/chrome/browser/browsing_data/site_data_counter.cc b/chrome/browser/browsing_data/site_data_counter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f4fdfa353542c8847f13c4b299d31f78eaa1a492
--- /dev/null
+++ b/chrome/browser/browsing_data/site_data_counter.cc
@@ -0,0 +1,50 @@
+// 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/site_data_counter.h"
+
+#include "chrome/common/pref_names.h"
+
+SiteDataCounter::SiteDataCounter() : pref_name_(prefs::kDeleteCookies),
+                                     weak_ptr_factory_(this) {
+}
+
+SiteDataCounter::~SiteDataCounter() {
+}
+
+const std::string& SiteDataCounter::GetPrefName() const {
+  return pref_name_;
+}
+
+void SiteDataCounter::Count() {
+  Profile* const profile = GetProfile();
+  content::StoragePartition* storage_partition =
+      content::BrowserContext::GetDefaultStoragePartition(profile);
+  content::IndexedDBContext* indexed_db_context =
+      storage_partition->GetIndexedDBContext();
+  content::ServiceWorkerContext* service_worker_context =
+      storage_partition->GetServiceWorkerContext();
+  content::CacheStorageContext* cache_storage_context =
+      storage_partition->GetCacheStorageContext();
+  storage::FileSystemContext* file_system_context =
+      storage_partition->GetFileSystemContext();
+  collector_.reset(new SiteDataSizeCollector(
+      storage_partition->GetPath(),
+      new BrowsingDataCookieHelper(profile->GetRequestContext()),
+      new BrowsingDataDatabaseHelper(profile),
+      new BrowsingDataLocalStorageHelper(profile),
+      new BrowsingDataAppCacheHelper(profile),
+      new BrowsingDataIndexedDBHelper(indexed_db_context),
+      BrowsingDataFileSystemHelper::Create(file_system_context),
+      BrowsingDataChannelIDHelper::Create(profile->GetRequestContext()),
+      new BrowsingDataServiceWorkerHelper(service_worker_context),
+      new BrowsingDataCacheStorageHelper(cache_storage_context),
+      BrowsingDataFlashLSOHelper::Create(profile)));
+  collector_->Fetch(base::Bind(&SiteDataCounter::OnSiteDataSizeFetched,
+                               weak_ptr_factory_.GetWeakPtr()));
+}
+
+void SiteDataCounter::OnSiteDataSizeFetched(int64_t size) {
+  ReportResult(size);
+}