Fix AirPlay Button Display on Firefox Windows Ver.

src/js/controller.js

@@ -30,9 +30,7 @@ class Controller {
         this.initScreenshotButton();
         this.initSubtitleButton();
         this.initHighlights();
-        if (utils.isSafari) {
-            this.initAirplayButton();
-        }
+        this.initAirplayButton();
         if (!utils.isMobile) {
             this.initVolumeButton();
         }

src/js/utils.js

@@ -1,7 +1,5 @@
 const isMobile = /mobile/i.test(window.navigator.userAgent);
 
-const isSafari = /Safari/i.test(window.navigator.userAgent);
-
 const utils = {
     /**
      * Parse second to time string
@@ -91,8 +89,6 @@ const utils = {
 
     isMobile: isMobile,
 
-    isSafari: isSafari,
-
     isFirefox: /firefox/i.test(window.navigator.userAgent),
 
     isChrome: /chrome/i.test(window.navigator.userAgent),