Merge pull request #590 from w3c/data-clone-error

When serializing some WebCodecs objects with `forStorage=true`, throw `DataCloneError` instead of `TypeError`

Author: aboba

index.src.html

@@ -2528,7 +2528,7 @@
 ### Serialization ###{#encodedaudiochunk-serialization}
 : The {{EncodedAudioChunk}} [=serialization steps=] (with |value|, |serialized|,
     and |forStorage|) are:
-:: 1. If |forStorage| is `true`, throw a {{TypeError}}.
+:: 1. If |forStorage| is `true`, throw a {{DataCloneError}}.
     2. For each {{EncodedAudioChunk}} internal slot in |value|, assign the value
         of each internal slot to a field in |serialized| with the same name as
         the internal slot.
@@ -2620,7 +2620,7 @@
 ### Serialization ###{#encodedvideochunk-serialization}
 : The {{EncodedVideoChunk}} [=serialization steps=] (with |value|, |serialized|,
     and |forStorage|) are:
-:: 1. If |forStorage| is `true`, throw a {{TypeError}}.
+:: 1. If |forStorage| is `true`, throw a {{DataCloneError}}.
     2. For each {{EncodedVideoChunk}} internal slot in |value|, assign the value
         of each internal slot to a field in |serialized| with the same name as
         the internal slot.
@@ -2986,7 +2986,7 @@
     |forStorage|) are:
 :: 1. If |value|'s {{platform object/[[Detached]]}} is `true`, throw a
         {{DataCloneError}} {{DOMException}}.
-    2. If |forStorage| is `true`, throw a {{TypeError}}.
+    2. If |forStorage| is `true`, throw a {{DataCloneError}}.
     3. Let |resource| be the [=media resource=] referenced by
             |value|'s {{AudioData/[[resource reference]]}}.
     4. Let |newReference| be a new reference to |resource|.
@@ -4113,7 +4113,7 @@
     |forStorage|) are:
 :: 1. If |value|'s {{platform object/[[Detached]]}} is `true`, throw a
         {{DataCloneError}} {{DOMException}}.
-    2. If |forStorage| is `true`, throw a {{TypeError}}.
+    2. If |forStorage| is `true`, throw a {{DataCloneError}}.
     3. Let |resource| be the [=media resource=] referenced by
             |value|'s {{VideoFrame/[[resource reference]]}}.
     4. Let |newReference| be a new reference to |resource|.