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diff --git a/accessible/windows/msaa/AccessibleWrap.h b/accessible/windows/msaa/AccessibleWrap.h
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+++ b/accessible/windows/msaa/AccessibleWrap.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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 mozilla_a11y_AccessibleWrap_h_
+#define mozilla_a11y_AccessibleWrap_h_
+
+#include "nsCOMPtr.h"
+#include "LocalAccessible.h"
+#include "MsaaAccessible.h"
+#include "mozilla/a11y/RemoteAccessible.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/mscom/Utils.h"
+#include "mozilla/StaticPtr.h"
+#include "nsXULAppAPI.h"
+#include "Units.h"
+
+namespace mozilla {
+namespace a11y {
+class DocRemoteAccessibleWrap;
+
+/**
+ * Windows specific functionality for an accessibility tree node that originated
+ * in mDoc's content process.
+ */
+class AccessibleWrap : public LocalAccessible {
+ public:  // construction, destruction
+  AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+ public:
+  // LocalAccessible
+  virtual nsresult HandleAccEvent(AccEvent* aEvent) override;
+  virtual void Shutdown() override;
+
+  // Helper methods
+  /**
+   * System caret support: update the Windows caret position.
+   * The system caret works more universally than the MSAA caret
+   * For example, Window-Eyes, JAWS, ZoomText and Windows Tablet Edition use it
+   * We will use an invisible system caret.
+   * Gecko is still responsible for drawing its own caret
+   */
+  void UpdateSystemCaretFor(LocalAccessible* aAccessible);
+  static void UpdateSystemCaretFor(RemoteAccessible* aProxy,
+                                   const LayoutDeviceIntRect& aCaretRect);
+
+ private:
+  static void UpdateSystemCaretFor(HWND aCaretWnd,
+                                   const LayoutDeviceIntRect& aCaretRect);
+
+ public:
+  /**
+   * Determine whether this is the root accessible for its HWND.
+   */
+  bool IsRootForHWND();
+
+  MsaaAccessible* GetMsaa();
+  virtual void GetNativeInterface(void** aOutAccessible) override;
+
+ protected:
+  virtual ~AccessibleWrap() = default;
+
+  RefPtr<MsaaAccessible> mMsaa;
+};
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif