Beginnings of synchronizing notifications in the notification database.

content/browser/notifications/platform_notification_context_impl.h

 // Copyright 2015 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_NOTIFICATIONS_PLATFORM_NOTIFICATION_CONTEXT_IMPL_H_
 #define CONTENT_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_CONTEXT_IMPL_H_
 
 #include <stdint.h>
+#include <set>
+#include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/platform_notification_context.h"
 
 class GURL;
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace content {
 
+class BrowserContext;
 class NotificationDatabase;
 struct NotificationDatabaseData;
 class ServiceWorkerContextWrapper;
 
 // Implementation of the Web Notification storage context. The public methods
 // defined in this interface must only be called on the IO thread unless
 // otherwise specified.
 class CONTENT_EXPORT PlatformNotificationContextImpl
     : NON_EXPORTED_BASE(public PlatformNotificationContext),
       NON_EXPORTED_BASE(public ServiceWorkerContextObserver) {
  public:
   // Constructs a new platform notification context. If |path| is non-empty, the
   // database will be initialized in the "Platform Notifications" subdirectory
   // of |path|. Otherwise, the database will be initialized in memory. The
   // constructor must only be called on the IO thread.
   PlatformNotificationContextImpl(
       const base::FilePath& path,
+      BrowserContext* browser_context,
       const scoped_refptr<ServiceWorkerContextWrapper>& service_worker_context);
 
   // To be called on the UI thread to initialize the instance.
   void Initialize();
 
   // To be called on the UI thread when the context is being shut down.
   void Shutdown();
 
   // PlatformNotificationContext implementation.
   void ReadNotificationData(int64_t notification_id,
@@ skipping 77 matching lines @@
   bool DestroyDatabase();
 
   // Returns the path in which the database should be initialized. May be empty.
   base::FilePath GetDatabasePath() const;
 
   // Sets the task runner to use for testing purposes.
   void SetTaskRunnerForTesting(
       const scoped_refptr<base::SequencedTaskRunner>& task_runner);
 
   base::FilePath path_;
+  BrowserContext* browser_context_;
 
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
 
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   scoped_ptr<NotificationDatabase> database_;
 
+  // Indicates whether the database should be pruned when it's opened.
+  bool prune_database_on_open_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(PlatformNotificationContextImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_CONTEXT_IMPL_H_