Allow fullscreen in iframe

src/js/fullscreen.js

@@ -117,9 +117,12 @@ class Fullscreen {
 
     // Determine if fullscreen is enabled
     get enabled() {
-        const fallback = this.player.config.fullscreen.fallback && !utils.inFrame();
-
-        return (Fullscreen.native || fallback) && this.player.config.fullscreen.enabled && this.player.supported.ui && this.player.isVideo;
+        return (
+            (Fullscreen.native || this.player.config.fullscreen.fallback) &&
+            this.player.config.fullscreen.enabled &&
+            this.player.supported.ui &&
+            this.player.isVideo
+        );
     }
 
     // Get active state

src/js/utils.js

@@ -208,15 +208,6 @@ const utils = {
         return `${prefix}-${Math.floor(Math.random() * 10000)}`;
     },
 
-    // Determine if we're in an iframe
-    inFrame() {
-        try {
-            return window.self !== window.top;
-        } catch (e) {
-            return true;
-        }
-    },
-
     // Wrap an element
     wrap(elements, wrapper) {
         // Convert `elements` to an array, if necessary.