When HLS redirects are encountered recreate WebMediaPlayer.

third_party/WebKit/Source/core/html/HTMLMediaElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 331 matching lines @@
     WebMediaPlayer::TrackId addVideoTrack(const WebString&, WebMediaPlayerClient::VideoTrackKind, const WebString&, const WebString&, bool) final;
     void removeVideoTrack(WebMediaPlayer::TrackId) final;
     void addTextTrack(WebInbandTextTrack*) final;
     void removeTextTrack(WebInbandTextTrack*) final;
     void mediaSourceOpened(WebMediaSource*) final;
     void requestSeek(double) final;
     void remoteRouteAvailabilityChanged(bool) final;
     void connectedToRemoteDevice() final;
     void disconnectedFromRemoteDevice() final;
     void cancelledRemotePlaybackRequest() final;
+    void requestReload(const WebURL&) final;
 
     void loadTimerFired(Timer<HTMLMediaElement>*);
     void progressEventTimerFired(Timer<HTMLMediaElement>*);
     void playbackProgressTimerFired(Timer<HTMLMediaElement>*);
     void startPlaybackProgressTimer();
     void startProgressEventTimer();
     void stopPeriodicTimers();
 
     void seek(double time);
     void finishSeek();
     void checkIfSeekNeeded();
     void addPlayedRange(double start, double end);
 
     void scheduleEvent(const AtomicString& eventName); // FIXME: Rename to scheduleNamedEvent for clarity.
 
     // loading
     void invokeLoadAlgorithm();
     void invokeResourceSelectionAlgorithm();
     void loadInternal();
     void selectMediaResource();
-    void loadResource(const WebMediaPlayerSource&, ContentType&);
-    void startPlayerLoad();
+    void loadResource(const WebMediaPlayerSource&, const ContentType&);
+    void startPlayerLoad(const KURL& playerProvidedUrl = KURL());
     void setPlayerPreload();
     WebMediaPlayer::LoadType loadType() const;
     void scheduleNextSourceChild();
     void loadSourceFromObject();
     void loadSourceFromAttribute();
     void loadNextSourceChild();
     void clearMediaPlayer();
     void clearMediaPlayerAndAudioSourceProviderClientWithoutLocking();
     bool havePotentialSourceChild();
     void noneSupported();
@@ skipping 297 matching lines @@
 inline bool isHTMLMediaElement(const HTMLElement& element)
 {
     return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } // namespace blink
 
 #endif // HTMLMediaElement_h