Fix fastQualityChange_ to stop calling a function that no longers exists (currentTimeFunc) (#704)

Fix fastQualityChange_ to stop calling a function that no longer exists

@@ -350,7 +350,7 @@ export default class MasterPlaylistController extends videojs.EventTarget {
 
 
     if (media !== this.masterPlaylistLoader_.media()) {
     if (media !== this.masterPlaylistLoader_.media()) {
       this.masterPlaylistLoader_.media(media);
       this.masterPlaylistLoader_.media(media);
-      this.mainSegmentLoader_.sourceUpdater_.remove(this.currentTimeFunc() + 5, Infinity);
+      this.mainSegmentLoader_.sourceUpdater_.remove(this.tech_.currentTime() + 5, Infinity);
     }
     }
   }
   }
 
 

@@ -43,7 +43,6 @@ QUnit.module('MasterPlaylistController', {
 QUnit.test('throws error when given an empty URL', function() {
 QUnit.test('throws error when given an empty URL', function() {
   let options = {
   let options = {
     url: 'test',
     url: 'test',
-    currentTimeFunc: () => {},
     tech: this.player.tech_
     tech: this.player.tech_
   };
   };
 
 
@@ -108,7 +107,7 @@ QUnit.test('clears some of the buffer for a fast quality change', function() {
   this.masterPlaylistController.selectPlaylist = () => {
   this.masterPlaylistController.selectPlaylist = () => {
     return this.masterPlaylistController.master().playlists[0];
     return this.masterPlaylistController.master().playlists[0];
   };
   };
-  this.masterPlaylistController.currentTimeFunc = () => 7;
+  this.masterPlaylistController.tech_.currentTime = () => 7;
 
 
   this.masterPlaylistController.fastQualityChange_();
   this.masterPlaylistController.fastQualityChange_();