diff -r 000000000000 -r 6474c204b198 toolkit/components/mediasniffer/nsMediaSniffer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/mediasniffer/nsMediaSniffer.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 tw=80 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/. */
+
+#ifndef nsMediaSniffer_h
+#define nsMediaSniffer_h
+
+#include "nsIModule.h"
+#include "nsIFactory.h"
+
+#include "nsIComponentManager.h"
+#include "nsIComponentRegistrar.h"
+#include "nsIContentSniffer.h"
+#include "mozilla/Attributes.h"
+
+// ed905ba3-c656-480e-934e-6bc35bd36aff
+#define NS_MEDIA_SNIFFER_CID \
+{0x3fdd6c28, 0x5b87, 0x4e3e, \
+{0x8b, 0x57, 0x8e, 0x83, 0xc2, 0x3c, 0x1a, 0x6d}}
+
+#define NS_MEDIA_SNIFFER_CONTRACTID "@mozilla.org/media/sniffer;1"
+
+class nsMediaSniffer MOZ_FINAL : public nsIContentSniffer
+{
+  public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSICONTENTSNIFFER
+  protected:
+    ~nsMediaSniffer() {}
+
+#define PATTERN_ENTRY(mask, pattern, contentType) \
+    {(const uint8_t*)mask, (const uint8_t*)pattern, sizeof(mask) - 1, contentType}
+
+  struct nsMediaSnifferEntry {
+    const uint8_t* mMask;
+    const uint8_t* mPattern;
+    const uint32_t mLength;
+    const char* mContentType;
+  };
+
+  static nsMediaSnifferEntry sSnifferEntries[];
+};
+
+#endif