Squashed 'third_party/allwpilib_2016/' content from commit 7f61816

Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/shared/include/Buttons/HeldButtonScheduler.h b/wpilibc/shared/include/Buttons/HeldButtonScheduler.h
new file mode 100644
index 0000000..6dcd7a3
--- /dev/null
+++ b/wpilibc/shared/include/Buttons/HeldButtonScheduler.h
@@ -0,0 +1,23 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2011. All Rights Reserved.
+ */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
+/*----------------------------------------------------------------------------*/
+
+#ifndef __HELD_BUTTON_SCHEDULER_H__
+#define __HELD_BUTTON_SCHEDULER_H__
+
+#include "Buttons/ButtonScheduler.h"
+
+class Trigger;
+class Command;
+
+class HeldButtonScheduler : public ButtonScheduler {
+ public:
+  HeldButtonScheduler(bool last, Trigger *button, Command *orders);
+  virtual ~HeldButtonScheduler() = default;
+  virtual void Execute();
+};
+
+#endif