Bug 1647436 - Fix leaked nsGlobalWindowInner instance in WebXR CC r=kip,daoshengmu

Differential Revision: https://phabricator.services.mozilla.com/D80527

dom/vr/XRInputSource.cpp

@@ -16,7 +16,8 @@
 namespace mozilla {
 namespace dom {
 
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(XRInputSource, mParent)
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(XRInputSource, mParent, mTargetRaySpace,
+                                      mGripSpace, mGamepad)
 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(XRInputSource, AddRef)
 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(XRInputSource, Release)
 

dom/vr/XRSession.cpp

@@ -410,6 +410,9 @@ void XRSession::Shutdown() {
   mViewerPosePoolIndex = 0;
   mFramePool.Clear();
   mFramePoolIndex = 0;
+  mActiveRenderState = nullptr;
+  mPendingRenderState = nullptr;
+  mFrameRequestCallbacks.Clear();
 
   // Unregister from nsRefreshObserver
   if (mRefreshDriver) {