Count number of origins with data affected by clearing "cookies and site data".

chrome/browser/browsing_data/browsing_data_quota_helper_impl.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/browsing_data/browsing_data_quota_helper_impl.h"
 
 #include <map>
 #include <set>
 
 #include "base/barrier_closure.h"
@@ skipping 131 matching lines @@
 }
 
 void BrowsingDataQuotaHelperImpl::OnGetHostsUsageComplete(
     const FetchResultCallback& callback,
     QuotaInfoMap* quota_info) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   QuotaInfoArray result;
   for (auto& pair : *quota_info) {
     QuotaInfo& info = pair.second;
-    // Skip unused entries
     if (info.temporary_usage <= 0 && info.persistent_usage <= 0 &&
-        info.syncable_usage <= 0)
+        info.syncable_usage <= 0) {
       continue;
-
+    }
     info.host = pair.first;
     result.push_back(info);
   }
 
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(callback, result));
 }
 
 void BrowsingDataQuotaHelperImpl::RevokeHostQuotaOnIOThread(
     const std::string& host) {
   quota_manager_->SetPersistentHostQuota(
       host, 0, base::Bind(&BrowsingDataQuotaHelperImpl::DidRevokeHostQuota,
                           weak_factory_.GetWeakPtr()));
 }
 
 void BrowsingDataQuotaHelperImpl::DidRevokeHostQuota(
     storage::QuotaStatusCode /*status*/,
     int64_t /*quota*/) {}