Update webidl files

Author: mhegazy

baselines/dom.generated.d.ts

@@ -1677,10 +1677,10 @@ interface Animation extends EventTarget {
     timeline: AnimationTimeline | null;
     cancel(): void;
     finish(): void;
-    pause(): Promise<Animation>;
-    play(): Promise<Animation>;
-    reverse(): Promise<Animation>;
-    updatePlaybackRate(playbackRate: number): Promise<Animation>;
+    pause(): void;
+    play(): void;
+    reverse(): void;
+    updatePlaybackRate(playbackRate: number): void;
     addEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: Animation, ev: AnimationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: Animation, ev: AnimationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -2077,7 +2077,7 @@ interface BaseAudioContext extends EventTarget {
     createScriptProcessor(bufferSize?: number, numberOfInputChannels?: number, numberOfOutputChannels?: number): ScriptProcessorNode;
     createStereoPanner(): StereoPannerNode;
     createWaveShaper(): WaveShaperNode;
-    decodeAudioData(audioData: ArrayBuffer, successCallback?: DecodeSuccessCallback, errorCallback?: DecodeErrorCallback): Promise<AudioBuffer>;
+    decodeAudioData(audioData: ArrayBuffer, successCallback?: DecodeSuccessCallback | null, errorCallback?: DecodeErrorCallback | null): Promise<AudioBuffer>;
     resume(): Promise<void>;
     addEventListener<K extends keyof BaseAudioContextEventMap>(type: K, listener: (this: BaseAudioContext, ev: BaseAudioContextEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;

inputfiles/idl/Web Animations.widl

@@ -30,10 +30,10 @@ interface Animation : EventTarget {
              attribute EventHandler             oncancel;
     void cancel ();
     void finish ();
-    Promise<Animation> play ();
-    Promise<Animation> pause ();
-    Promise<Animation> updatePlaybackRate (double playbackRate);
-    Promise<Animation> reverse ();
+    void play ();
+    void pause ();
+    void updatePlaybackRate (double playbackRate);
+    void reverse ();
 };
 
 enum AnimationPlayState { "idle", "running", "paused", "finished" };

inputfiles/idl/Web Audio.widl

@@ -41,8 +41,8 @@ interface BaseAudioContext : EventTarget {
   WaveShaperNode createWaveShaper ();
 
   Promise<AudioBuffer> decodeAudioData (ArrayBuffer audioData,
-                                        optional DecodeSuccessCallback successCallback,
-                                        optional DecodeErrorCallback errorCallback);
+                                        optional DecodeSuccessCallback? successCallback,
+                                        optional DecodeErrorCallback? errorCallback);
   Promise<void> resume ();
 };
 

inputfiles/idl/WebRTC.widl

@@ -241,7 +241,7 @@ dictionary RTCCertificateExpiration {
     DOMTimeStamp expires;
 };
 
-[Exposed=Window] interface RTCCertificate {
+[Exposed=Window, Serializable] interface RTCCertificate {
     readonly        attribute DOMTimeStamp expires;
     static sequence<AlgorithmIdentifier> getSupportedAlgorithms();
     sequence<RTCDtlsFingerprint> getFingerprints ();