diff -r 000000000000 -r 6474c204b198 widget/windows/JumpListBuilder.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/windows/JumpListBuilder.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 __JumpListBuilder_h__
+#define __JumpListBuilder_h__
+
+#include <windows.h>
+
+#undef NTDDI_VERSION
+#define NTDDI_VERSION NTDDI_WIN7
+// Needed for various com interfaces
+#include <shobjidl.h>
+#undef LogSeverity // SetupAPI.h #defines this as DWORD
+
+#include "nsString.h"
+#include "nsIMutableArray.h"
+
+#include "nsIJumpListBuilder.h"
+#include "nsIJumpListItem.h"
+#include "JumpListItem.h"
+#include "nsIObserver.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace widget {
+
+class JumpListBuilder : public nsIJumpListBuilder, 
+                        public nsIObserver
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIJUMPLISTBUILDER
+  NS_DECL_NSIOBSERVER
+
+  JumpListBuilder();
+  virtual ~JumpListBuilder();
+
+protected:
+  static bool sBuildingList; 
+
+private:
+  nsRefPtr<ICustomDestinationList> mJumpListMgr;
+  uint32_t mMaxItems;
+  bool mHasCommit;
+  nsCOMPtr<nsIThread> mIOThread;
+
+  bool IsSeparator(nsCOMPtr<nsIJumpListItem>& item);
+  nsresult TransferIObjectArrayToIMutableArray(IObjectArray *objArray, nsIMutableArray *removedItems);
+  nsresult RemoveIconCacheForItems(nsIMutableArray *removedItems);
+  nsresult RemoveIconCacheForAllItems();
+
+  friend class WinTaskbar;
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif /* __JumpListBuilder_h__ */
+