Merge pull request #15710 from kserin/master

Phonon: add global variable to window

types/phonon/index.d.ts

@@ -190,6 +190,7 @@ interface Document {
 interface Window {
     on(event: string, callback: (event: Phonon.PhononCustomWindowEvent) => void, useCapture?: boolean): void;
     off(event: string, callback: (event: Phonon.PhononCustomWindowEvent) => void, useCapture?: boolean): void;
+    phonon: Phonon.Phonon;
 }
 interface Element {
     on(event: string, callback: (event: any) => void, useCapture?: boolean): void;

types/phonon/phonon-tests.ts

@@ -550,3 +550,4 @@ phonon.options({
 });
 setupHTML();
 phonon.navigator().start();
+window.phonon;