diff -r 000000000000 -r 6474c204b198 widget/xpwidgets/nsFilePickerProxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/xpwidgets/nsFilePickerProxy.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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 NSFILEPICKERPROXY_H
+#define NSFILEPICKERPROXY_H
+
+#include "nsBaseFilePicker.h"
+#include "nsString.h"
+#include "nsIURI.h"
+#include "nsTArray.h"
+#include "nsCOMArray.h"
+
+#include "mozilla/dom/PFilePickerChild.h"
+
+class nsIWidget;
+class nsIFile;
+
+/**
+  This class creates a proxy file picker to be used in content processes.
+  The file picker just collects the initialization data and when Show() is
+  called, remotes everything to the chrome process which in turn can show a
+  platform specific file picker.
+*/
+class nsFilePickerProxy : public nsBaseFilePicker,
+                          public mozilla::dom::PFilePickerChild
+{
+public:
+    nsFilePickerProxy();
+
+    NS_DECL_ISUPPORTS
+
+    // nsIFilePicker (less what's in nsBaseFilePicker)
+    NS_IMETHODIMP Init(nsIDOMWindow* aParent, const nsAString& aTitle, int16_t aMode);
+    NS_IMETHODIMP AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
+    NS_IMETHODIMP GetDefaultString(nsAString& aDefaultString);
+    NS_IMETHODIMP SetDefaultString(const nsAString& aDefaultString);
+    NS_IMETHODIMP GetDefaultExtension(nsAString& aDefaultExtension);
+    NS_IMETHODIMP SetDefaultExtension(const nsAString& aDefaultExtension);
+    NS_IMETHODIMP GetFilterIndex(int32_t* aFilterIndex);
+    NS_IMETHODIMP SetFilterIndex(int32_t aFilterIndex);
+    NS_IMETHODIMP GetFile(nsIFile** aFile);
+    NS_IMETHODIMP GetFileURL(nsIURI** aFileURL);
+    NS_IMETHODIMP GetFiles(nsISimpleEnumerator** aFiles);
+
+    NS_IMETHODIMP GetDomfile(nsIDOMFile** aFile);
+    NS_IMETHODIMP GetDomfiles(nsISimpleEnumerator** aFiles);
+
+    NS_IMETHODIMP Show(int16_t* aReturn);
+    NS_IMETHODIMP Open(nsIFilePickerShownCallback* aCallback);
+
+    // PFilePickerChild
+    virtual bool
+    Recv__delete__(const MaybeInputFiles& aFiles, const int16_t& aResult);
+
+private:
+    ~nsFilePickerProxy();
+    void InitNative(nsIWidget*, const nsAString&);
+
+    nsCOMArray<nsIDOMFile> mDomfiles;
+    nsCOMPtr<nsIFilePickerShownCallback> mCallback;
+
+    int16_t   mSelectedType;
+    nsString  mFile;
+    nsString  mDefault;
+    nsString  mDefaultExtension;
+
+    InfallibleTArray<nsString> mFilters;
+    InfallibleTArray<nsString> mFilterNames;
+};
+
+#endif // NSFILEPICKERPROXY_H