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

content/browser/service_worker/service_worker_storage.cc

Index: content/browser/service_worker/service_worker_storage.cc
diff --git a/content/browser/service_worker/service_worker_storage.cc b/content/browser/service_worker/service_worker_storage.cc
index b0cfe30899555d00f5ab85e8ded16a9d3d163346..e2d9441d2541ef36221ff09c5c4ff67531a6896f 100644
--- a/content/browser/service_worker/service_worker_storage.cc
+++ b/content/browser/service_worker/service_worker_storage.cc
@@ -470,6 +470,8 @@ void ServiceWorkerStorage::StoreRegistration(
     resources_total_size_bytes += resource.size_bytes;
   }
   data.resources_total_size_bytes = resources_total_size_bytes;
+  registration->set_resources_total_size_bytes(resources_total_size_bytes);

[michaeln, 2014/10/30 01:32:27]

I think this should happen in DidStoreRegistration next to where
NotifyStorageModified is called. Otherwise i think there's can be an
inconsistency in the numbers given to the QM (espcially if StoreRegistration
fails for some reason).

[dmurph, 2014/10/30 22:06:16]

Done.

+  version->set_resources_total_size_bytes(resources_total_size_bytes);
 
   if (!has_checked_for_stale_resources_)
     DeleteStaleResources();
@@ -479,22 +481,14 @@ void ServiceWorkerStorage::StoreRegistration(
       base::Bind(&WriteRegistrationInDB,
                  database_.get(),
                  base::MessageLoopProxy::current(),
-                 data, resources,
+                 data,
+                 resources,
                  base::Bind(&ServiceWorkerStorage::DidStoreRegistration,
                             weak_factory_.GetWeakPtr(),
-                            callback)));
+                            callback,
+                            data)));
 
   registration->set_is_deleted(false);
-
-  // TODO(dmurph): Add correct byte delta.
-  if (quota_manager_proxy_.get()) {
-    // Can be nullptr in tests.
-    quota_manager_proxy_->NotifyStorageModified(
-        storage::QuotaClient::kServiceWorker,
-        registration->pattern().GetOrigin(),
-        storage::StorageType::kStorageTypeTemporary,
-        0);
-  }
 }
 
 void ServiceWorkerStorage::UpdateToActiveState(
@@ -978,8 +972,9 @@ void ServiceWorkerStorage::DidGetAllRegistrations(
 
 void ServiceWorkerStorage::DidStoreRegistration(
     const StatusCallback& callback,
+    const ServiceWorkerDatabase::RegistrationData& new_version,
     const GURL& origin,
-    int64 deleted_version_id,
+    const ServiceWorkerDatabase::RegistrationData& deleted_version,
     const std::vector<int64>& newly_purgeable_resources,
     ServiceWorkerDatabase::Status status) {
   if (status != ServiceWorkerDatabase::STATUS_OK) {
@@ -987,10 +982,19 @@ void ServiceWorkerStorage::DidStoreRegistration(
     callback.Run(DatabaseStatusToStatusCode(status));
     return;
   }
+  if (quota_manager_proxy_.get()) {
+    // Can be nullptr in tests.
+    quota_manager_proxy_->NotifyStorageModified(
+        storage::QuotaClient::kServiceWorker,
+        origin,
+        storage::StorageType::kStorageTypeTemporary,
+        new_version.resources_total_size_bytes -
+            deleted_version.resources_total_size_bytes);
+  }
   registered_origins_.insert(origin);
   callback.Run(SERVICE_WORKER_OK);
 
-  if (!context_ || !context_->GetLiveVersion(deleted_version_id))
+  if (!context_ || !context_->GetLiveVersion(deleted_version.version_id))
     StartPurgingResources(newly_purgeable_resources);
 }
 
@@ -1007,7 +1011,7 @@ void ServiceWorkerStorage::DidUpdateToActiveState(
 void ServiceWorkerStorage::DidDeleteRegistration(
     const DidDeleteRegistrationParams& params,
     bool origin_is_deletable,
-    int64 version_id,
+    const ServiceWorkerDatabase::RegistrationData& deleted_version,
     const std::vector<int64>& newly_purgeable_resources,
     ServiceWorkerDatabase::Status status) {
   pending_deletions_.erase(params.registration_id);
@@ -1016,11 +1020,19 @@ void ServiceWorkerStorage::DidDeleteRegistration(
     params.callback.Run(DatabaseStatusToStatusCode(status));
     return;
   }
+  if (quota_manager_proxy_.get()) {
+    // Can be nullptr in tests.
+    quota_manager_proxy_->NotifyStorageModified(
+        storage::QuotaClient::kServiceWorker,
+        params.origin,
+        storage::StorageType::kStorageTypeTemporary,
+        -deleted_version.resources_total_size_bytes);
+  }
   if (origin_is_deletable)
     registered_origins_.erase(params.origin);
   params.callback.Run(SERVICE_WORKER_OK);
 
-  if (!context_ || !context_->GetLiveVersion(version_id))
+  if (!context_ || !context_->GetLiveVersion(deleted_version.version_id))
     StartPurgingResources(newly_purgeable_resources);
 }
 
@@ -1035,6 +1047,7 @@ ServiceWorkerStorage::GetOrCreateRegistration(
 
   registration = new ServiceWorkerRegistration(
       data.scope, data.registration_id, context_);
+  registration->set_resources_total_size_bytes(data.resources_total_size_bytes);
   registration->set_last_update_check(data.last_update_check);
   if (pending_deletions_.find(data.registration_id) !=
       pending_deletions_.end()) {
@@ -1294,17 +1307,16 @@ void ServiceWorkerStorage::DeleteRegistrationFromDB(
     const DeleteRegistrationCallback& callback) {
   DCHECK(database);
 
-  int64 version_id = kInvalidServiceWorkerVersionId;
+  ServiceWorkerDatabase::RegistrationData deleted_version;
+  deleted_version.version_id = kInvalidServiceWorkerVersionId;
   std::vector<int64> newly_purgeable_resources;
   ServiceWorkerDatabase::Status status = database->DeleteRegistration(
-      registration_id, origin, &version_id, &newly_purgeable_resources);
+      registration_id, origin, &deleted_version, &newly_purgeable_resources);
   if (status != ServiceWorkerDatabase::STATUS_OK) {
-    original_task_runner->PostTask(FROM_HERE,
-                                   base::Bind(callback,
-                                              false,
-                                              kInvalidServiceWorkerVersionId,
-                                              std::vector<int64>(),
-                                              status));
+    original_task_runner->PostTask(
+        FROM_HERE,
+        base::Bind(
+            callback, false, deleted_version, std::vector<int64>(), status));
     return;
   }
 
@@ -1313,20 +1325,20 @@ void ServiceWorkerStorage::DeleteRegistrationFromDB(
   std::vector<ServiceWorkerDatabase::RegistrationData> registrations;
   status = database->GetRegistrationsForOrigin(origin, &registrations);
   if (status != ServiceWorkerDatabase::STATUS_OK) {
-    original_task_runner->PostTask(FROM_HERE,
-                                   base::Bind(callback,
-                                              false,
-                                              kInvalidServiceWorkerVersionId,
-                                              std::vector<int64>(),
-                                              status));
+    original_task_runner->PostTask(
+        FROM_HERE,
+        base::Bind(
+            callback, false, deleted_version, std::vector<int64>(), status));
     return;
   }
 
   bool deletable = registrations.empty();
-  original_task_runner->PostTask(
-      FROM_HERE,
-      base::Bind(
-          callback, deletable, version_id, newly_purgeable_resources, status));
+  original_task_runner->PostTask(FROM_HERE,
+                                 base::Bind(callback,
+                                            deletable,
+                                            deleted_version,
+                                            newly_purgeable_resources,
+                                            status));
 }
 
 void ServiceWorkerStorage::WriteRegistrationInDB(
@@ -1336,14 +1348,15 @@ void ServiceWorkerStorage::WriteRegistrationInDB(
     const ResourceList& resources,
     const WriteRegistrationCallback& callback) {
   DCHECK(database);
-  int64 deleted_version_id = kInvalidServiceWorkerVersionId;
+  ServiceWorkerDatabase::RegistrationData deleted_version;
+  deleted_version.registration_id = kInvalidServiceWorkerVersionId;
   std::vector<int64> newly_purgeable_resources;
   ServiceWorkerDatabase::Status status = database->WriteRegistration(
-      data, resources, &deleted_version_id, &newly_purgeable_resources);
+      data, resources, &deleted_version, &newly_purgeable_resources);
   original_task_runner->PostTask(FROM_HERE,
                                  base::Bind(callback,
                                             data.script.GetOrigin(),
-                                            deleted_version_id,
+                                            deleted_version,
                                             newly_purgeable_resources,
                                             status));
 }