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

chrome/browser/browsing_data/mock_browsing_data_service_worker_helper.cc

 // Copyright 2014 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/mock_browsing_data_service_worker_helper.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 30 matching lines @@
 void MockBrowsingDataServiceWorkerHelper::AddServiceWorkerSamples() {
   const GURL kOrigin1("https://swhost1:1/");
   std::vector<GURL> scopes1;
   scopes1.push_back(GURL("https://swhost1:1/app1/*"));
   scopes1.push_back(GURL("https://swhost1:1/app2/*"));
   const GURL kOrigin2("https://swhost2:2/");
   std::vector<GURL> scopes2;
   scopes2.push_back(GURL("https://swhost2:2/*"));
 
   content::ServiceWorkerUsageInfo info1(kOrigin1, scopes1);
+  info1.total_size_bytes = 1;
   response_.push_back(info1);
   origins_[kOrigin1] = true;
 
   content::ServiceWorkerUsageInfo info2(kOrigin2, scopes2);
+  info2.total_size_bytes = 2;
   response_.push_back(info2);
   origins_[kOrigin2] = true;
 }
 
 void MockBrowsingDataServiceWorkerHelper::Notify() {
   callback_.Run(response_);
 }
 
 void MockBrowsingDataServiceWorkerHelper::Reset() {
   for (auto& pair : origins_)
     pair.second = true;
 }
 
 bool MockBrowsingDataServiceWorkerHelper::AllDeleted() {
   for (const auto& pair : origins_) {
     if (pair.second)
       return false;
   }
   return true;
 }