diff -r 000000000000 -r 6474c204b198 widget/nsIPluginWidget.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/nsIPluginWidget.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- 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/. */
+
+#include "nsISupports.h"
+
+#define NS_IPLUGINWIDGET_IID    \
+  { 0xEB9207E0, 0xD8F1, 0x44B9, \
+    { 0xB7, 0x52, 0xAF, 0x8E, 0x9F, 0x8E, 0xBD, 0xF7 } }
+
+struct nsIntPoint;
+class nsIPluginInstanceOwner;
+
+/**
+ * This is used by Mac only.
+ */
+class NS_NO_VTABLE nsIPluginWidget : public nsISupports
+{
+ public: 
+
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IPLUGINWIDGET_IID)
+
+  NS_IMETHOD GetPluginClipRect(nsIntRect& outClipRect, nsIntPoint& outOrigin, bool& outWidgetVisible) = 0;
+
+  NS_IMETHOD StartDrawPlugin(void) = 0;
+
+  NS_IMETHOD EndDrawPlugin(void) = 0;
+
+  NS_IMETHOD SetPluginInstanceOwner(nsIPluginInstanceOwner* pluginInstanceOwner) = 0;
+
+  NS_IMETHOD SetPluginEventModel(int inEventModel) = 0;
+
+  NS_IMETHOD GetPluginEventModel(int* outEventModel) = 0;
+
+  NS_IMETHOD SetPluginDrawingModel(int inDrawingModel) = 0;
+
+  NS_IMETHOD StartComplexTextInputForCurrentEvent() = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIPluginWidget, NS_IPLUGINWIDGET_IID)