1 files changed, 9 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/modules/webcodecs/audio_data.idl b/chromium/third_party/blink/renderer/modules/webcodecs/audio_data.idl
index 61e8fbcb51d..17ae2889ac1 100644
--- a/chromium/third_party/blink/renderer/modules/webcodecs/audio_data.idl
+++ b/chromium/third_party/blink/renderer/modules/webcodecs/audio_data.idl
@@ -14,6 +14,14 @@
 
   void close();
 
+  [RaisesException] unsigned long allocationSize(AudioDataCopyToOptions options);
+  [RaisesException] void copyTo(AllowSharedBufferSource destination,
+                                AudioDataCopyToOptions options);
+
+  readonly attribute AudioSampleFormat format;
+  readonly attribute float sampleRate;
+  readonly attribute unsigned long numberOfFrames;
+  readonly attribute unsigned long numberOfChannels;
+  readonly attribute unsigned long long duration;
   readonly attribute long long timestamp;  // microseconds
-  readonly attribute AudioBuffer buffer;
 };