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..6e4db9edae04dbf1a5473ef7f0416b1ff68ce8b3
--- /dev/null
+++ b/chrome/browser/browsing_data/site_data_counter.cc
@@ -0,0 +1,28 @@
+// 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() {
+  collector_.reset(new SiteDataSizeCollector(GetProfile()));
+  collector_->Fetch(base::Bind(&SiteDataCounter::OnSiteDataSizeFetched,
+                              weak_ptr_factory_.GetWeakPtr()));

[msramek, 2016/06/23 21:30:35]

nit: alignment.

[fukino, 2016/06/30 09:21:24]

Done.

+}
+
+void SiteDataCounter::OnSiteDataSizeFetched(int64_t size) {
+  ReportResult(size);
+}