diff -r 000000000000 -r 6474c204b198 layout/inspector/inDeepTreeWalker.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/inspector/inDeepTreeWalker.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* 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 __inDeepTreeWalker_h___
+#define __inDeepTreeWalker_h___
+
+#include "inIDeepTreeWalker.h"
+
+#include "nsCOMPtr.h"
+#include "nsIDOMNode.h"
+#include "nsTArray.h"
+
+class inIDOMUtils;
+
+////////////////////////////////////////////////////
+
+struct DeepTreeStackItem
+{
+  nsCOMPtr<nsIDOMNode> node;
+  nsCOMPtr<nsIDOMNodeList> kids;
+  uint32_t lastIndex; // Index one bigger than the index of whatever
+                      // kid we're currently at in |kids|.
+};
+
+////////////////////////////////////////////////////
+
+class inDeepTreeWalker : public inIDeepTreeWalker
+{
+public:
+	NS_DECL_ISUPPORTS
+	NS_DECL_NSIDOMTREEWALKER
+	NS_DECL_INIDEEPTREEWALKER
+
+  inDeepTreeWalker();
+  virtual ~inDeepTreeWalker();
+
+protected:
+  void PushNode(nsIDOMNode* aNode);
+
+  bool mShowAnonymousContent;
+  bool mShowSubDocuments;
+  nsCOMPtr<nsIDOMNode> mRoot;
+  nsCOMPtr<nsIDOMNode> mCurrentNode;
+  uint32_t mWhatToShow;
+  
+  nsAutoTArray<DeepTreeStackItem, 8> mStack;
+  nsCOMPtr<inIDOMUtils> mDOMUtils;
+};
+
+// {BFCB82C2-5611-4318-90D6-BAF4A7864252}
+#define IN_DEEPTREEWALKER_CID \
+{ 0xbfcb82c2, 0x5611, 0x4318, { 0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 } }
+
+#endif // __inDeepTreeWalker_h___