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diff --git a/LibOVR/Src/Kernel/OVR_Timer.h b/LibOVR/Src/Kernel/OVR_Timer.h
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+/************************************************************************************
+
+PublicHeader:   OVR
+Filename    :   OVR_Timer.h
+Content     :   Provides static functions for precise timing
+Created     :   September 19, 2012
+Notes       : 
+
+Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); 
+you may not use the Oculus VR Rift SDK except in compliance with the License, 
+which is provided at the time of installation or download, or which 
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.1 
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#ifndef OVR_Timer_h
+#define OVR_Timer_h
+
+#include "OVR_Types.h"
+
+namespace OVR {
+    
+//-----------------------------------------------------------------------------------
+// ***** Timer
+
+// Timer class defines a family of static functions used for application
+// timing and profiling.
+
+class Timer
+{
+public:
+    enum {
+        MsPerSecond     = 1000, // Milliseconds in one second.
+        NanosPerSecond  = MsPerSecond * 1000 * 1000,
+        MksPerSecond    = MsPerSecond * 1000
+    };
+
+    // ***** Timing APIs for Application    
+
+    // These APIs should be used to guide animation and other program functions
+    // that require precision.
+
+    // Returns global high-resolution application timer in seconds.
+    static double  OVR_STDCALL GetSeconds();    
+
+    // Returns time in Nanoseconds, using highest possible system resolution.
+    static UInt64  OVR_STDCALL GetTicksNanos();
+
+    // Kept for compatibility.
+    // Returns ticks in milliseconds, as a 32-bit number. May wrap around every 49.2 days.
+    // Use either time difference of two values of GetTicks to avoid wrap-around.
+    static UInt32  OVR_STDCALL GetTicksMs()
+    { return  UInt32(GetTicksNanos() / 1000000); }
+
+    // for recorded data playback
+    static void SetFakeSeconds(double fakeSeconds) 
+    { 
+        FakeSeconds = fakeSeconds; 
+        useFakeSeconds = true; 
+    }
+
+private:
+    friend class System;
+    // System called during program startup/shutdown.
+    static void initializeTimerSystem();
+    static void shutdownTimerSystem();
+
+    // for recorded data playback
+    static double FakeSeconds;
+    static bool   useFakeSeconds; 
+};
+
+
+} // OVR::Timer
+
+#endif