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/Athena/include/GyroBase.h b/wpilibc/Athena/include/GyroBase.h
new file mode 100644
index 0000000..6ed44aa
--- /dev/null
+++ b/wpilibc/Athena/include/GyroBase.h
@@ -0,0 +1,36 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008. 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.  */
+/*----------------------------------------------------------------------------*/
+#pragma once
+
+#include "SensorBase.h"
+#include "PIDSource.h"
+#include "interfaces/Gyro.h"
+#include "LiveWindow/LiveWindowSendable.h"
+
+#include <memory>
+
+/**
+ * GyroBase is the common base class for Gyro implementations such as
+ * AnalogGyro.
+ */
+class GyroBase : public Gyro, public SensorBase, public PIDSource, public LiveWindowSendable {
+ public:
+  virtual ~GyroBase() = default;
+
+  // PIDSource interface
+  double PIDGet() override;
+
+  void UpdateTable() override;
+  void StartLiveWindowMode() override;
+  void StopLiveWindowMode() override;
+  std::string GetSmartDashboardType() const override;
+  void InitTable(std::shared_ptr<ITable> subTable) override;
+  std::shared_ptr<ITable> GetTable() const override;
+
+ private:
+  std::shared_ptr<ITable> m_table;
+};