Update WebVR interface to match the 1.1 spec

third_party/WebKit/Source/modules/vr/VRPose.cpp

 // Copyright 2015 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.
 
 #include "modules/vr/VRPose.h"
 
 namespace blink {
 
 namespace {
 
 DOMFloat32Array* mojoArrayToFloat32Array(const mojo::WTFArray<float>& vec)
 {
     if (vec.is_null())
         return nullptr;
 
     return DOMFloat32Array::create(&(vec.front()), vec.size());
 }
 
 } // namespace
 
 VRPose::VRPose()
-    : m_timestamp(0.0)
 {
 }
 
 void VRPose::setPose(const device::blink::VRPosePtr& state)
 {
     if (state.is_null())
         return;
 
-    m_timestamp = state->timestamp;
     m_orientation = mojoArrayToFloat32Array(state->orientation);
     m_position = mojoArrayToFloat32Array(state->position);
     m_angularVelocity = mojoArrayToFloat32Array(state->angularVelocity);
     m_linearVelocity = mojoArrayToFloat32Array(state->linearVelocity);
     m_angularAcceleration = mojoArrayToFloat32Array(state->angularAcceleration);
     m_linearAcceleration = mojoArrayToFloat32Array(state->linearAcceleration);
 }
 
 DEFINE_TRACE(VRPose)
 {
     visitor->trace(m_orientation);
     visitor->trace(m_position);
     visitor->trace(m_angularVelocity);
     visitor->trace(m_linearVelocity);
     visitor->trace(m_angularAcceleration);
     visitor->trace(m_linearAcceleration);
 }
 
 } // namespace blink