1 files changed, 66 insertions, 0 deletions
diff --git a/dom/storage/PartitionedLocalStorage.h b/dom/storage/PartitionedLocalStorage.h
new file mode 100644
index 0000000000..4e9937f9fa
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+++ b/dom/storage/PartitionedLocalStorage.h
@@ -0,0 +1,66 @@
+/* -*- 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_PartitionedLocalStorage_h
+#define mozilla_dom_PartitionedLocalStorage_h
+
+#include "Storage.h"
+
+class nsIPrincipal;
+
+namespace mozilla {
+namespace dom {
+
+class SessionStorageCache;
+
+// PartitionedLocalStorage is a in-memory-only storage exposed to trackers. It
+// doesn't share data with other contexts.
+
+class PartitionedLocalStorage final : public Storage {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PartitionedLocalStorage, Storage)
+
+  PartitionedLocalStorage(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,
+                          nsIPrincipal* aStoragePrincipal,
+                          SessionStorageCache* aCache);
+
+  StorageType Type() const override { return ePartitionedLocalStorage; }
+
+  int64_t GetOriginQuotaUsage() const override;
+
+  bool IsForkOf(const Storage* aStorage) const override;
+
+  // WebIDL
+  uint32_t GetLength(nsIPrincipal& aSubjectPrincipal,
+                     ErrorResult& aRv) override;
+
+  void Key(uint32_t aIndex, nsAString& aResult, nsIPrincipal& aSubjectPrincipal,
+           ErrorResult& aRv) override;
+
+  void GetItem(const nsAString& aKey, nsAString& aResult,
+               nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
+
+  void GetSupportedNames(nsTArray<nsString>& aKeys) override;
+
+  void SetItem(const nsAString& aKey, const nsAString& aValue,
+               nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
+
+  void RemoveItem(const nsAString& aKey, nsIPrincipal& aSubjectPrincipal,
+                  ErrorResult& aRv) override;
+
+  void Clear(nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
+
+ private:
+  ~PartitionedLocalStorage();
+
+  RefPtr<SessionStorageCache> mCache;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_PartitionedLocalStorage_h