Update API to latest spec : Remove VRFrameData#timestamp

third_party/WebKit/Source/modules/vr/VRFrameData.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VRFrameData_h
 #define VRFrameData_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
-#include "core/dom/DOMHighResTimeStamp.h"
 #include "core/dom/DOMTypedArray.h"
 #include "device/vr/vr_service.mojom-blink.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class VREyeParameters;
 class VRPose;
 
 class VRFrameData final : public GarbageCollected<VRFrameData>,
                           public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static VRFrameData* create() { return new VRFrameData(); }
 
   VRFrameData();
 
-  DOMHighResTimeStamp timestamp() const { return m_timestamp; }
   DOMFloat32Array* leftProjectionMatrix() const {
     return m_leftProjectionMatrix;
   }
   DOMFloat32Array* leftViewMatrix() const { return m_leftViewMatrix; }
   DOMFloat32Array* rightProjectionMatrix() const {
     return m_rightProjectionMatrix;
   }
   DOMFloat32Array* rightViewMatrix() const { return m_rightViewMatrix; }
   VRPose* pose() const { return m_pose; }
 
   // Populate a the VRFrameData with a pose and the necessary eye parameters.
   // TODO(bajones): The full frame data should be provided by the VRService,
   // not computed here.
   bool update(const device::mojom::blink::VRPosePtr&,
               VREyeParameters* leftEye,
               VREyeParameters* rightEye,
               float depthNear,
               float depthFar);
 
   DECLARE_VIRTUAL_TRACE()
 
  private:
-  DOMHighResTimeStamp m_timestamp;
   Member<DOMFloat32Array> m_leftProjectionMatrix;
   Member<DOMFloat32Array> m_leftViewMatrix;
   Member<DOMFloat32Array> m_rightProjectionMatrix;
   Member<DOMFloat32Array> m_rightViewMatrix;
   Member<VRPose> m_pose;
 };
 
 }  // namespace blink
 
 #endif  // VRStageParameters_h