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diff --git a/accessible/generic/FormControlAccessible.h b/accessible/generic/FormControlAccessible.h
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+++ b/accessible/generic/FormControlAccessible.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_FormControlAccessible_H_
+#define MOZILLA_A11Y_FormControlAccessible_H_
+
+#include "BaseAccessibles.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+  * Generic class used for progress meters.
+  */
+template<int Max>
+class ProgressMeterAccessible : public LeafAccessible
+{
+public:
+  ProgressMeterAccessible(nsIContent* aContent, DocAccessible* aDoc) :
+    LeafAccessible(aContent, aDoc)
+  {
+    // Ignore 'ValueChange' DOM event in lieu of @value attribute change
+    // notifications.
+    mStateFlags |= eHasNumericValue | eIgnoreDOMUIEvent;
+    mType = eProgressType;
+  }
+
+  // Accessible
+  virtual void Value(nsString& aValue) override;
+  virtual mozilla::a11y::role NativeRole() override;
+  virtual uint64_t NativeState() override;
+
+  // Value
+  virtual double MaxValue() const override;
+  virtual double MinValue() const override;
+  virtual double CurValue() const override;
+  virtual double Step() const override;
+  virtual bool SetCurValue(double aValue) override;
+
+  // Widgets
+  virtual bool IsWidget() const override;
+
+protected:
+  virtual ~ProgressMeterAccessible() {}
+};
+
+/**
+  * Generic class used for radio buttons.
+  */
+class RadioButtonAccessible : public LeafAccessible
+{
+
+public:
+  RadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+  // Accessible
+  virtual mozilla::a11y::role NativeRole() override;
+
+  // ActionAccessible
+  virtual uint8_t ActionCount() override;
+  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
+  virtual bool DoAction(uint8_t aIndex) override;
+
+  enum { eAction_Click = 0 };
+
+  // Widgets
+  virtual bool IsWidget() const override;
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif
+