diff -r 000000000000 -r 6474c204b198 xpcom/string/public/nsAString.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/string/public/nsAString.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+// IWYU pragma: private, include "nsString.h"
+
+#ifndef nsAString_h___
+#define nsAString_h___
+
+#include "nsStringFwd.h"
+#include "nsStringIterator.h"
+
+#include <string.h>
+#include <stdarg.h>
+
+#include "mozilla/fallible.h"
+
+#define kNotFound -1
+
+  // declare nsAString
+#include "string-template-def-unichar.h"
+#include "nsTSubstring.h"
+#include "string-template-undef.h"
+
+  // declare nsACString
+#include "string-template-def-char.h"
+#include "nsTSubstring.h"
+#include "string-template-undef.h"
+
+
+  /**
+   * ASCII case-insensitive comparator.  (for Unicode case-insensitive
+   * comparision, see nsUnicharUtils.h)
+   */
+class nsCaseInsensitiveCStringComparator
+    : public nsCStringComparator
+  {
+    public:
+      nsCaseInsensitiveCStringComparator() {}
+      typedef char char_type;
+
+      virtual int operator()( const char_type*, const char_type*, uint32_t, uint32_t ) const;
+  };
+
+class nsCaseInsensitiveCStringArrayComparator
+  {
+    public:
+      template<class A, class B>
+      bool Equals(const A& a, const B& b) const {
+        return a.Equals(b, nsCaseInsensitiveCStringComparator());
+      }
+  };
+
+  // included here for backwards compatibility
+#ifndef nsSubstringTuple_h___
+#include "nsSubstringTuple.h"
+#endif
+
+#endif // !defined(nsAString_h___)