Use [RaisesException] for immediate promise rejections in webcodecs

This is a part of effort for using [RaisesException] when
synchronously rejecting a promise.

It uses [RaisesException] for
//third_party/blink/renderer/modules/webcodecs.

Bug: 1001114
Change-Id: I43b29101ae577c2e5e2a94a8d02e5e02a4503f31
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1986472Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Miyoung Shin <myid.shin@igalia.com>
Cr-Commit-Position: refs/heads/master@{#729668}

third_party/blink/renderer/modules/webcodecs/video_decoder.cc

@@ -19,20 +19,19 @@ VideoDecoder* VideoDecoder::Create() {
 
 VideoDecoder::VideoDecoder() = default;
 
-ScriptPromise VideoDecoder::Initialize(
-    ScriptState* script_state,
-    const VideoDecoderInitParameters* params) {
-  return ScriptPromise::RejectWithDOMException(
-      script_state,
-      MakeGarbageCollected<DOMException>(DOMExceptionCode::kNotSupportedError,
-                                         "Not implemented yet."));
+ScriptPromise VideoDecoder::Initialize(ScriptState* script_state,
+                                       const VideoDecoderInitParameters* params,
+                                       ExceptionState& exception_state) {
+  exception_state.ThrowDOMException(DOMExceptionCode::kNotSupportedError,
+                                    "Not implemented yet.");
+  return ScriptPromise();
 }
 
-ScriptPromise VideoDecoder::Flush(ScriptState* script_state) {
-  return ScriptPromise::RejectWithDOMException(
-      script_state,
-      MakeGarbageCollected<DOMException>(DOMExceptionCode::kNotSupportedError,
-                                         "Not implemented yet."));
+ScriptPromise VideoDecoder::Flush(ScriptState* script_state,
+                                  ExceptionState& exception_state) {
+  exception_state.ThrowDOMException(DOMExceptionCode::kNotSupportedError,
+                                    "Not implemented yet.");
+  return ScriptPromise();
 }
 
 void VideoDecoder::Close() {}

third_party/blink/renderer/modules/webcodecs/video_decoder.h

@@ -11,6 +11,7 @@
 
 namespace blink {
 
+class ExceptionState;
 class ScriptState;
 class ReadableStream;
 class VideoDecoderInitParameters;
@@ -22,8 +23,10 @@ class MODULES_EXPORT VideoDecoder final : public ScriptWrappable {
  public:
   static VideoDecoder* Create();
   VideoDecoder();
-  ScriptPromise Initialize(ScriptState*, const VideoDecoderInitParameters*);
-  ScriptPromise Flush(ScriptState*);
+  ScriptPromise Initialize(ScriptState*,
+                           const VideoDecoderInitParameters*,
+                           ExceptionState&);
+  ScriptPromise Flush(ScriptState*, ExceptionState&);
   void Close();
 
   // video_decoder.idl implementation.

third_party/blink/renderer/modules/webcodecs/video_decoder.idl

@@ -6,8 +6,8 @@
     RuntimeEnabled=WebCodecs
 ] interface VideoDecoder {
     constructor();
-    [CallWith=ScriptState] Promise<void> Initialize(VideoDecoderInitParameters params);
-    [CallWith=ScriptState] Promise<void> Flush();
+    [CallWith=ScriptState, RaisesException] Promise<void> Initialize(VideoDecoderInitParameters params);
+    [CallWith=ScriptState, RaisesException] Promise<void> Flush();
     void Close();
 
     readonly attribute WritableStream writable;  // of EncodedVideoFrame