Merge pull request #24329 from equinox2k/master

declare so you can now do the required 'new VRFrameData()'

types/webvr-api/index.d.ts

@@ -162,6 +162,11 @@ interface VRFrameData {
     readonly timestamp: number;
 }
 
+declare var VRFrameData: {
+    prototype: VRFrameData
+    new(): VRFrameData
+}
+
 interface VRPose {
     readonly angularAcceleration: Float32Array | null;
     readonly angularVelocity: Float32Array | null;