Media element resource selection algorithm should "await a stable state"

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

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.h b/third_party/WebKit/Source/core/html/HTMLMediaElement.h
index 8eba5e45da8e1d0c34faab31218ac8a4b36a2433..0a961154d5b8d70ab6ddb8a62de4619e0f84b3e6 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.h
@@ -354,7 +354,7 @@ private:
     void cancelledRemotePlaybackRequest() final;
     void requestReload(const WebURL&) final;
 
-    void loadTimerFired(TimerBase*);
+    void textTrackLoadTimerFired(TimerBase*);
     void progressEventTimerFired(TimerBase*);
     void playbackProgressTimerFired(TimerBase*);
     void startPlaybackProgressTimer();
@@ -371,6 +371,7 @@ private:
     // loading
     void invokeLoadAlgorithm();
     void invokeResourceSelectionAlgorithm();
+    void continueResourceSelectionAlgorithm();
     void loadInternal();
     void selectMediaResource();
     void loadResource(const WebMediaPlayerSource&, const ContentType&);
@@ -381,6 +382,7 @@ private:
     void loadSourceFromObject();
     void loadSourceFromAttribute();
     void loadNextSourceChild();
+    void loadNextSourceChildAfterError();
     void clearMediaPlayer();
     void clearMediaPlayerAndAudioSourceProviderClientWithoutLocking();
     bool havePotentialSourceChild();
@@ -497,7 +499,7 @@ private:
 
     void onVisibilityChangedForAutoplay(bool isVisible);
 
-    UnthrottledThreadTimer<HTMLMediaElement> m_loadTimer;
+    UnthrottledThreadTimer<HTMLMediaElement> m_textTrackLoadTimer;
     UnthrottledThreadTimer<HTMLMediaElement> m_progressEventTimer;
     UnthrottledThreadTimer<HTMLMediaElement> m_playbackProgressTimer;
     UnthrottledThreadTimer<HTMLMediaElement> m_audioTracksTimer;
@@ -566,9 +568,6 @@ private:
 
     double m_fragmentEndTime;
 
-    typedef unsigned PendingActionFlags;
-    PendingActionFlags m_pendingActionFlags;
-
     // FIXME: HTMLMediaElement has way too many state bits.
     bool m_lockedPendingUserGesture : 1;
     bool m_playing : 1;
@@ -608,6 +607,8 @@ private:
     HeapVector<Member<ScriptPromiseResolver>> m_playPromiseRejectList;
     ExceptionCode m_playPromiseErrorCode;
 
+    WeakPtrFactory<HTMLMediaElement> m_weakTaskFactory;
+
     // This is a weak reference, since m_audioSourceNode holds a reference to us.
     // TODO(Oilpan): Consider making this a strongly traced pointer with oilpan where strong cycles are not a problem.
     GC_PLUGIN_IGNORE("http://crbug.com/404577")