Remove Sync GetPose VRService call, implement VRVSyncProvider

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

 // 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.
 
 #include "modules/vr/VRFrameData.h"
 
 #include "modules/vr/VREyeParameters.h"
 #include "modules/vr/VRPose.h"
 
 #include <cmath>
@@ skipping 162 matching lines @@
   m_rightProjectionMatrix = DOMFloat32Array::create(16);
   m_rightViewMatrix = DOMFloat32Array::create(16);
   m_pose = VRPose::create();
 }
 
 bool VRFrameData::update(const device::mojom::blink::VRPosePtr& pose,
                          VREyeParameters* leftEye,
                          VREyeParameters* rightEye,
                          float depthNear,
                          float depthFar) {
-  if (!pose)
-    return false;
-
   m_timestamp = pose->timestamp;
 
   // Build the projection matrices
   projectionFromFieldOfView(m_leftProjectionMatrix, leftEye->fieldOfView(),
                             depthNear, depthFar);
   projectionFromFieldOfView(m_rightProjectionMatrix, rightEye->fieldOfView(),
                             depthNear, depthFar);
 
   // Build the view matrices
   matrixfromRotationTranslation(m_leftViewMatrix, pose->orientation,
@@ skipping 16 matching lines @@
 
 DEFINE_TRACE(VRFrameData) {
   visitor->trace(m_leftProjectionMatrix);
   visitor->trace(m_leftViewMatrix);
   visitor->trace(m_rightProjectionMatrix);
   visitor->trace(m_rightViewMatrix);
   visitor->trace(m_pose);
 }
 
 }  // namespace blink