RTCAudioSourceStats: trackIdentifier property

Specifications

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
trackIdentifier in 'media-source' stats	Chrome – Full support Chrome80 Toggle history	Edge – Full support Edge80 Toggle history	Firefox – Full support Firefox113 Toggle history	Opera – Full support Opera67 Toggle history	Safari – Full support Safari14.1 Toggle history	Chrome Android – Full support Chrome Android80 Toggle history	Firefox for Android – Full support Firefox for Android113 Toggle history	Opera Android – Full support Opera Android57 Toggle history	Safari on iOS – Full support Safari on iOS14.5 Toggle history	Samsung Internet – Full support Samsung Internet13.0 Toggle history	WebView Android – Full support WebView Android80 Toggle history	WebView on iOS – Full support WebView on iOS14.5 Toggle history