Vendor things

third-party/vendor/web-sys/webidls/unstable/MediaCaptureTransform.webidl

@@ -0,0 +1,20 @@
+[Exposed=Window,DedicatedWorker]
+interface MediaStreamTrackGenerator : MediaStreamTrack {
+    constructor(MediaStreamTrackGeneratorInit init);
+    attribute WritableStream writable;  // VideoFrame or AudioData
+};
+
+dictionary MediaStreamTrackGeneratorInit {
+  required DOMString kind;
+};
+
+[Exposed=DedicatedWorker]
+interface MediaStreamTrackProcessor {
+    constructor(MediaStreamTrackProcessorInit init);
+    attribute ReadableStream readable;
+};
+
+dictionary MediaStreamTrackProcessorInit {
+  required MediaStreamTrack track;
+  [EnforceRange] unsigned short maxBufferSize;
+};