Remove Sync GetPose VRService call, implement VRVSyncProvider

device/vr/vr_device.cc

 // 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 "device/vr/vr_device.h"
 #include "device/vr/vr_device_provider.h"
 #include "device/vr/vr_display_impl.h"
 
 namespace device {
 
+namespace {
+
+void OnVRVSyncProviderClientConnected(
+    const base::Callback<void(mojom::VRVSyncProviderClientPtr)>& callback,
+    device::mojom::VRVSyncProviderClientPtr client) {
+  callback.Run(std::move(client));
+}
+
+}  // namespace
+
 unsigned int VRDevice::next_id_ = 1;
 
 VRDevice::VRDevice() : presenting_display_(nullptr), id_(next_id_) {
   // Prevent wraparound. Devices with this ID will be treated as invalid.
   if (next_id_ != VR_DEVICE_LAST_ID)
     next_id_++;
 }
 
 VRDevice::~VRDevice() {}
 
@@ skipping 51 matching lines @@
 void VRDevice::OnActivate(mojom::VRDisplayEventReason reason) {
   for (const auto& display : displays_)
     display->client()->OnActivate(reason);
 }
 
 void VRDevice::OnDeactivate(mojom::VRDisplayEventReason reason) {
   for (const auto& display : displays_)
     display->client()->OnDeactivate(reason);
 }
 
+void VRDevice::OnVRVsyncProviderReady(
+    const base::Callback<void(mojom::VRVSyncProviderClientPtr)>& callback) {
+  presenting_display_->client()->OnVRVsyncProviderReady(
+      base::Bind(&OnVRVSyncProviderClientConnected, callback));
+}
+
 void VRDevice::SetPresentingDisplay(VRDisplayImpl* display) {
   presenting_display_ = display;
 }
 
 }  // namespace device