Send vrdisplayactivate to the most recently focused navigator listening for displayactivate.

device/vr/vr_service_impl.cc

 // 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 "device/vr/vr_service_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 36 matching lines @@
   DCHECK(displays_.count(device) == 0);
   base::Callback<void(mojom::VRDisplayInfoPtr)> on_created =
       base::Bind(&VRServiceImpl::OnVRDisplayInfoCreated,
                  weak_ptr_factory_.GetWeakPtr(), device);
   device->CreateVRDisplayInfo(on_created);
 }
 
 void VRServiceImpl::SetListeningForActivate(bool listening) {
   listening_for_activate_ = listening;
   VRDeviceManager* device_manager = VRDeviceManager::GetInstance();
-  device_manager->ListeningForActivateChanged(listening);
+  device_manager->ListeningForActivateChanged(listening, this);
 }
 
 // Creates a VRDisplayPtr unique to this service so that the associated page can
 // communicate with the VRDevice.
 void VRServiceImpl::OnVRDisplayInfoCreated(
     VRDevice* device,
     mojom::VRDisplayInfoPtr display_info) {
   // TODO(crbug/701027): make sure that client_ is never null by initializing it
   // in the constructor.
   if (!client_) {
     DLOG(ERROR) << "Cannot create VR display because connection to render "
                    "process is not established";
     return;
   }
   displays_[device] = base::MakeUnique<VRDisplayImpl>(
       device, this, client_.get(), std::move(display_info));
 }
 
 VRDisplayImpl* VRServiceImpl::GetVRDisplayImplForTesting(VRDevice* device) {
   auto it = displays_.find(device);
   return (it == displays_.end()) ? nullptr : it->second.get();
 }
 
 }  // namespace device