Add ServiceWorkerStorageControl::GetUsageForOrigin()

This is a wrapper of ServiceWorkerStorage::GetUsageForOrigin().

Bug: 1055677
Change-Id: I4782799b29b3d6df0d2e55ef82936e5f1b113f49
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2308622
Commit-Queue: Kenichi Ishibashi <bashi@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#790669}

components/services/storage/public/mojom/service_worker_storage_control.mojom

@@ -135,7 +135,11 @@ interface ServiceWorkerStorageControl {
       (ServiceWorkerDatabaseStatus status,
        array<SerializedServiceWorkerRegistration> registrations);
 
-  // Stores |registration_data| and |resources| on persistent storage.
+  // Returns the total resource size for a given origin.
+  GetUsageForOrigin(url.mojom.Origin origin) =>
+      (ServiceWorkerDatabaseStatus status, int64 usage);
+
+  // Stores |registration_data| and |resources|.
   StoreRegistration(ServiceWorkerRegistrationData registration,
                     array<ServiceWorkerResourceRecord> resources) =>
       (ServiceWorkerDatabaseStatus status);

content/browser/service_worker/service_worker_registry.cc

@@ -290,7 +290,7 @@ void ServiceWorkerRegistry::GetStorageUsageForOrigin(
     const url::Origin& origin,
     GetStorageUsageForOriginCallback callback) {
   DCHECK_CURRENTLY_ON(ServiceWorkerContext::GetCoreThreadId());
-  storage()->GetUsageForOrigin(
+  GetRemoteStorageControl()->GetUsageForOrigin(
       origin,
       base::BindOnce(
           [](GetStorageUsageForOriginCallback callback,

content/browser/service_worker/service_worker_storage_control_impl.cc

@@ -168,6 +168,12 @@ void ServiceWorkerStorageControlImpl::GetRegistrationsForOrigin(
       base::BindOnce(&DidGetRegistrationsForOrigin, std::move(callback)));
 }
 
+void ServiceWorkerStorageControlImpl::GetUsageForOrigin(
+    const url::Origin& origin,
+    GetUsageForOriginCallback callback) {
+  storage_->GetUsageForOrigin(origin, std::move(callback));
+}
+
 void ServiceWorkerStorageControlImpl::StoreRegistration(
     storage::mojom::ServiceWorkerRegistrationDataPtr registration,
     std::vector<storage::mojom::ServiceWorkerResourceRecordPtr> resources,

content/browser/service_worker/service_worker_storage_control_impl.h

@@ -62,6 +62,8 @@ class CONTENT_EXPORT ServiceWorkerStorageControlImpl
   void GetRegistrationsForOrigin(
       const GURL& origin,
       GetRegistrationsForOriginCallback callback) override;
+  void GetUsageForOrigin(const url::Origin& origin,
+                         GetUsageForOriginCallback callback) override;
   void StoreRegistration(
       storage::mojom::ServiceWorkerRegistrationDataPtr registration,
       std::vector<storage::mojom::ServiceWorkerResourceRecordPtr> resources,