[BackgroundSync] Initial land of the BackgroundSyncManager

content/browser/service_worker/service_worker_context_wrapper.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 93 matching lines @@
   // made (which is after this object is made). This function must be called
   // after this object is created but before any ServiceWorkerCache operations.
   // It must be called on the IO thread. If either parameter is NULL the
   // function immediately returns without forwarding to the
   // ServiceWorkerCacheStorageManager.
   void SetBlobParametersForCache(
       net::URLRequestContextGetter* request_context,
       ChromeBlobStorageContext* blob_storage_context);
 
  private:
+  friend class BackgroundSyncManagerTest;
   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
   friend class EmbeddedWorkerTestHelper;
   friend class ServiceWorkerProcessManager;
   friend class MockServiceWorkerContextWrapper;
 
   ~ServiceWorkerContextWrapper() override;
 
   void InitInternal(
       const base::FilePath& user_data_directory,
       const scoped_refptr<base::SequencedTaskRunner>& stores_task_runner,
@@ skipping 24 matching lines @@
   // Initialized in Init(); true if the user data directory is empty.
   bool is_incognito_;
 
   // Raw pointer to the StoragePartitionImpl owning |this|.
   StoragePartitionImpl* storage_partition_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_