Revert of mojo VR interface simplified

device/vr/vr_device.cc

Index: device/vr/vr_device.cc
diff --git a/device/vr/vr_device.cc b/device/vr/vr_device.cc
index c580d5fff4cc3eb8dceeba35a1c7ab05b33c42cc..5e3d7fc253d6fa29c2755622baf9241df7ca49b5 100644
--- a/device/vr/vr_device.cc
+++ b/device/vr/vr_device.cc
@@ -4,14 +4,13 @@
 
 #include "device/vr/vr_device.h"
 #include "device/vr/vr_device_provider.h"
-#include "device/vr/vr_service_impl.h"
 
 namespace device {
 
 unsigned int VRDevice::next_id_ = 1;
 
 VRDevice::VRDevice(VRDeviceProvider* provider)
-    : presenting_service_(nullptr), provider_(provider), id_(next_id_) {
+    : provider_(provider), id_(next_id_) {
   // Prevent wraparound. Devices with this ID will be treated as invalid.
   if (next_id_ != VR_DEVICE_LAST_ID)
     next_id_++;
@@ -19,48 +18,8 @@
 
 VRDevice::~VRDevice() {}
 
-bool VRDevice::RequestPresent(VRServiceImpl* service, bool secure_origin) {
+bool VRDevice::RequestPresent(bool secure_origin) {
   return true;
 };
 
-void VRDevice::AddService(VRServiceImpl* service) {
-  // Create a VRDisplayImpl for this service/device pair
-  VRDisplayImpl* display_impl = service->GetVRDisplayImpl(this);
-  displays_.insert(std::make_pair(service, display_impl));
-}
-
-void VRDevice::RemoveService(VRServiceImpl* service) {
-  ExitPresent(service);
-  displays_.erase(service);
-}
-
-bool VRDevice::IsAccessAllowed(VRServiceImpl* service) {
-  return (!presenting_service_ || presenting_service_ == service);
-}
-
-bool VRDevice::IsPresentingService(VRServiceImpl* service) {
-  return (presenting_service_ && presenting_service_ == service);
-}
-
-void VRDevice::OnDisplayChanged() {
-  mojom::VRDisplayInfoPtr vr_device_info = GetVRDevice();
-  if (vr_device_info.is_null())
-    return;
-
-  for (const auto& display : displays_) {
-    mojom::VRDisplayClient* client = display.second->client();
-    if (client)
-      client->OnDisplayChanged(vr_device_info.Clone());
-  }
-}
-
-void VRDevice::OnExitPresent(VRServiceImpl* service) {
-  DisplayClientMap::iterator it = displays_.find(service);
-  if (it != displays_.end()) {
-    mojom::VRDisplayClient* client = it->second->client();
-    if (client)
-      client->OnExitPresent();
-  }
-}
-
 }  // namespace device