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-rw-r--r--parser/html/nsHtml5DependentUTF16Buffer.h31
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diff --git a/parser/html/nsHtml5DependentUTF16Buffer.h b/parser/html/nsHtml5DependentUTF16Buffer.h
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+++ b/parser/html/nsHtml5DependentUTF16Buffer.h
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+/* 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 nsHtml5DependentUTF16Buffer_h
+#define nsHtml5DependentUTF16Buffer_h
+
+#include "nscore.h"
+#include "nsHtml5OwningUTF16Buffer.h"
+
+class MOZ_STACK_CLASS nsHtml5DependentUTF16Buffer : public nsHtml5UTF16Buffer
+{
+ public:
+ /**
+ * Wraps a string without taking ownership of the buffer. aToWrap MUST NOT
+ * go away or be shortened while nsHtml5DependentUTF16Buffer is in use.
+ */
+ explicit nsHtml5DependentUTF16Buffer(const nsAString& aToWrap);
+
+ ~nsHtml5DependentUTF16Buffer();
+
+ /**
+ * Copies the currently unconsumed part of this buffer into a new
+ * heap-allocated nsHtml5OwningUTF16Buffer. The new object is allocated
+ * with a fallible allocator. If the allocation fails, nullptr is returned.
+ * @return heap-allocated copy or nullptr if memory allocation failed
+ */
+ already_AddRefed<nsHtml5OwningUTF16Buffer> FalliblyCopyAsOwningBuffer();
+};
+
+#endif // nsHtml5DependentUTF16Buffer_h