Chrome 144 XRSession visibilitymaskchange event (#29576)

Chrome 144 XRSession visibilitymaskchange event

Author: chrisdavidmills

api/XRSession.json

@@ -1542,6 +1542,43 @@
           }
         }
       },
+      "visibilitymaskchange_event": {
+        "__compat": {
+          "description": "`visibilitymaskchange` event",
+          "spec_url": "https://immersive-web.github.io/webxr/#eventdef-xrsession-visibilitymaskchange",
+          "tags": [
+            "web-features:webxr-device"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "144"
+            },
+            "chrome_android": "mirror",
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": "mirror",
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": "mirror",
+            "webview_android": {
+              "version_added": false
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "visibilityState": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/XRSession/visibilityState",