diff -r 000000000000 -r 6474c204b198 content/base/public/mozFlushType.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/public/mozFlushType.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* -*- 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 mozFlushType_h___
+#define mozFlushType_h___
+
+/**
+ * This is the enum used by nsIDocument::FlushPendingNotifications to
+ * decide what to flush.
+ *
+ * Please note that if you change these values, you should sync it with the
+ * flushTypeNames array inside PresShell::FlushPendingNotifications.
+ */
+enum mozFlushType {
+  Flush_None             = 0, /* Actually don't flush anything */
+  Flush_Content          = 1, /* flush the content model construction */
+  Flush_ContentAndNotify = 2, /* As above, plus flush the frame model
+                                 construction and other nsIMutationObserver
+                                 notifications. */
+  Flush_Style            = 3, /* As above, plus flush style reresolution */
+  Flush_Frames           = Flush_Style,
+  Flush_InterruptibleLayout = 4, /* As above, plus flush reflow,
+                                    but allow it to be interrupted (so
+                                    an incomplete layout may result) */
+  Flush_Layout           = 5, /* As above, but layout must run to
+                                 completion */
+  Flush_Display          = 6  /* As above, plus flush painting */
+};
+
+namespace mozilla {
+
+struct ChangesToFlush {
+  ChangesToFlush(mozFlushType aFlushType, bool aFlushAnimations)
+    : mFlushType(aFlushType)
+    , mFlushAnimations(aFlushAnimations)
+  {}
+
+  mozFlushType mFlushType;
+  bool mFlushAnimations;
+};
+
+}
+#endif /* mozFlushType_h___ */