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diff --git a/accessible/html/HTMLImageMapAccessible.h b/accessible/html/HTMLImageMapAccessible.h
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+++ b/accessible/html/HTMLImageMapAccessible.h
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+/* -*- 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 mozilla_a11y_HTMLImageMapAccessible_h__
+#define mozilla_a11y_HTMLImageMapAccessible_h__
+
+#include "HTMLLinkAccessible.h"
+#include "ImageAccessible.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * Used for HTML image maps.
+ */
+class HTMLImageMapAccessible final : public ImageAccessible {
+ public:
+  HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+  // nsISupports and cycle collector
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLImageMapAccessible, ImageAccessible)
+
+  // LocalAccessible
+  virtual a11y::role NativeRole() const override;
+
+  /**
+   * Update area children of the image map.
+   */
+  void UpdateChildAreas(bool aDoFireEvents = true);
+
+  /**
+   * Return accessible of child node.
+   */
+  LocalAccessible* GetChildAccessibleFor(const nsINode* aNode) const;
+
+ protected:
+  virtual ~HTMLImageMapAccessible() {}
+};
+
+/**
+ * Accessible for image map areas - must be child of image.
+ */
+class HTMLAreaAccessible final : public HTMLLinkAccessible {
+ public:
+  HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+  // LocalAccessible
+  virtual void Description(nsString& aDescription) const override;
+  virtual LocalAccessible* LocalChildAtPoint(
+      int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) override;
+  virtual nsRect RelativeBounds(nsIFrame** aBoundingFrame) const override;
+  virtual nsRect ParentRelativeBounds() override;
+
+  // HyperLinkAccessible
+  virtual uint32_t StartOffset() override;
+  virtual uint32_t EndOffset() override;
+
+  virtual bool IsAcceptableChild(nsIContent* aEl) const override {
+    return false;
+  }
+
+ protected:
+  // LocalAccessible
+  virtual ENameValueFlag NativeName(nsString& aName) const override;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// LocalAccessible downcasting method
+
+inline HTMLImageMapAccessible* LocalAccessible::AsImageMap() {
+  return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr;
+}
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif