diff -r 000000000000 -r 6474c204b198 layout/printing/nsPrintObject.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/printing/nsPrintObject.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,72 @@
+/* -*- 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 nsPrintObject_h___
+#define nsPrintObject_h___
+
+#include "mozilla/Attributes.h"
+
+// Interfaces
+#include "nsCOMPtr.h"
+#include "nsIPresShell.h"
+#include "nsStyleSet.h"
+#include "nsViewManager.h"
+#include "nsIDocShell.h"
+#include "nsIDocShellTreeOwner.h"
+
+class nsIContent;
+class nsIDocument;
+class nsPresContext;
+
+// nsPrintObject Document Type
+enum PrintObjectType  {eDoc = 0, eFrame = 1, eIFrame = 2, eFrameSet = 3};
+
+//---------------------------------------------------
+//-- nsPrintObject Class
+//---------------------------------------------------
+class nsPrintObject
+{
+
+public:
+  nsPrintObject();
+  ~nsPrintObject(); // non-virtual
+
+  // Methods
+  nsresult Init(nsIDocShell* aDocShell, nsIDOMDocument* aDoc,
+                bool aPrintPreview);
+
+  bool IsPrintable()  { return !mDontPrint; }
+  void   DestroyPresentation();
+
+  // Data Members
+  nsCOMPtr<nsIDocShell>    mDocShell;
+  nsCOMPtr<nsIDocShellTreeOwner> mTreeOwner;
+  nsCOMPtr<nsIDocument>    mDocument;
+
+  nsRefPtr<nsPresContext>  mPresContext;
+  nsCOMPtr<nsIPresShell>   mPresShell;
+  nsRefPtr<nsViewManager> mViewManager;
+
+  nsCOMPtr<nsIContent>     mContent;
+  PrintObjectType  mFrameType;
+  
+  nsTArray<nsPrintObject*> mKids;
+  nsPrintObject*   mParent;
+  bool             mHasBeenPrinted;
+  bool             mDontPrint;
+  bool             mPrintAsIs;
+  bool             mInvisible;        // Indicates PO is set to not visible by CSS
+  bool             mPrintPreview;
+  bool             mDidCreateDocShell;
+  float            mShrinkRatio;
+  float            mZoomRatio;
+
+private:
+  nsPrintObject& operator=(const nsPrintObject& aOther) MOZ_DELETE;
+};
+
+
+
+#endif /* nsPrintObject_h___ */
+