Update DOM and baselines

Author: sandersn

src/lib/dom.generated.d.ts

@@ -14,6 +14,10 @@ interface BaseAudioContext {
     createPeriodicWave(real: Iterable<number>, imag: Iterable<number>, constraints?: PeriodicWaveConstraints): PeriodicWave;
 }
 
+interface CSSKeyframesRule {
+    [Symbol.iterator](): IterableIterator<CSSKeyframeRule>;
+}
+
 interface CSSRuleList {
     [Symbol.iterator](): IterableIterator<CSSRule>;
 }
@@ -117,6 +121,16 @@ interface IDBObjectStore {
     createIndex(name: string, keyPath: string | Iterable<string>, options?: IDBIndexParameters): IDBIndex;
 }
 
+interface MIDIInputMap extends ReadonlyMap<string, MIDIInput> {
+}
+
+interface MIDIOutput {
+    send(data: Iterable<number>, timestamp?: DOMHighResTimeStamp): void;
+}
+
+interface MIDIOutputMap extends ReadonlyMap<string, MIDIOutput> {
+}
+
 interface MediaKeyStatusMap {
     [Symbol.iterator](): IterableIterator<[BufferSource, MediaKeyStatus]>;
     entries(): IterableIterator<[BufferSource, MediaKeyStatus]>;