diff -r 000000000000 -r 6474c204b198 accessible/src/base/Statistics.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/base/Statistics.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/* -*- 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 A11Y_STATISTICS_H_
+#define A11Y_STATISTICS_H_
+
+#include "mozilla/Telemetry.h"
+
+namespace mozilla {
+namespace a11y {
+namespace statistics {
+
+  inline void A11yInitialized()
+    { Telemetry::Accumulate(Telemetry::A11Y_INSTANTIATED_FLAG, true); }
+
+  inline void A11yConsumers(uint32_t aConsumer)
+    { Telemetry::Accumulate(Telemetry::A11Y_CONSUMERS, aConsumer); }
+
+  /**
+   * Report that ISimpleDOM* has been used.
+   */
+  inline void ISimpleDOMUsed()
+    { Telemetry::Accumulate(Telemetry::A11Y_ISIMPLEDOM_USAGE_FLAG, true); }
+
+  /**
+   * Report that IAccessibleTable has been used.
+   */
+  inline void IAccessibleTableUsed()
+    { Telemetry::Accumulate(Telemetry::A11Y_IATABLE_USAGE_FLAG, true); }
+
+} // namespace statistics
+} // namespace a11y
+} // namespace mozilla
+
+#endif
+