[ServiceWorker] Added size deltas and total size computation for QuotaM.

content/browser/service_worker/service_worker_context_wrapper.cc

 // Copyright 2013 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 "content/browser/service_worker/service_worker_context_wrapper.h"
 
 #include <map>
 
 #include "base/barrier_closure.h"
 #include "base/files/file_path.h"
@@ skipping 161 matching lines @@
       callback));
 }
 
 void ServiceWorkerContextWrapper::DidGetAllRegistrationsForGetAllOrigins(
     const GetUsageInfoCallback& callback,
     const std::vector<ServiceWorkerRegistrationInfo>& registrations) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   std::vector<ServiceWorkerUsageInfo> usage_infos;
 
   std::map<GURL, ServiceWorkerUsageInfo> origins;
-  for (std::vector<ServiceWorkerRegistrationInfo>::const_iterator it =
-           registrations.begin();
-       it != registrations.end();
-       ++it) {
-    const ServiceWorkerRegistrationInfo& registration_info = *it;
+  for (const auto& registration_info : registrations) {
     GURL origin = registration_info.pattern.GetOrigin();
 
     ServiceWorkerUsageInfo& usage_info = origins[origin];
     if (usage_info.origin.is_empty())
       usage_info.origin = origin;
     usage_info.scopes.push_back(registration_info.pattern);
+    usage_info.total_size_bytes += registration_info.stored_version_size_bytes;
   }
 
-  for (std::map<GURL, ServiceWorkerUsageInfo>::const_iterator it =
-           origins.begin();
-       it != origins.end();
-       ++it) {
-    usage_infos.push_back(it->second);
+  for (const auto& origin_info_pair : origins) {
+    usage_infos.push_back(origin_info_pair.second);
   }
-
   callback.Run(usage_infos);
 }
 
 namespace {
 void StatusCodeToBoolCallbackAdapter(
     const ServiceWorkerContext::ResultCallback& callback,
     ServiceWorkerStatusCode code) {
   callback.Run(code == ServiceWorkerStatusCode::SERVICE_WORKER_OK);
 }
 
@@ skipping 88 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (status != SERVICE_WORKER_OK) {
     context_core_.reset();
     return;
   }
   context_core_.reset(new ServiceWorkerContextCore(context_core_.get(), this));
   DVLOG(1) << "Restarted ServiceWorkerContextCore successfully.";
 }
 
 }  // namespace content