1 files changed, 59 insertions, 0 deletions
diff --git a/dom/quota/StorageManager.h b/dom/quota/StorageManager.h
new file mode 100644
index 000000000..162390f48
--- /dev/null
+++ b/dom/quota/StorageManager.h
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_StorageManager_h
+#define mozilla_dom_StorageManager_h
+
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+class Promise;
+struct StorageEstimate;
+
+class StorageManager final
+  : public nsISupports
+  , public nsWrapperCache
+{
+  nsCOMPtr<nsIGlobalObject> mOwner;
+
+public:
+  // Return dom.quota.storageManager.enabled on main/worker thread.
+  static bool
+  PrefEnabled(JSContext* aCx, JSObject* aObj);
+
+  explicit
+  StorageManager(nsIGlobalObject* aGlobal);
+
+  nsIGlobalObject*
+  GetParentObject() const
+  {
+    return mOwner;
+  }
+
+  // WebIDL
+  already_AddRefed<Promise>
+  Estimate(ErrorResult& aRv);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(StorageManager)
+
+  // nsWrapperCache
+  virtual JSObject*
+  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+private:
+  ~StorageManager();
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_StorageManager_h