Support text track selection in video controls

third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h

Index: third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h b/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h
index 6ee8a71796372af6b173893c6c71045a18316d72..4245fb5e7c4686b05088e5b17fc3643acfad7d86 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.h
@@ -48,11 +48,13 @@ enum MediaControlElementType {
     MediaSliderThumb,
     MediaShowClosedCaptionsButton,
     MediaHideClosedCaptionsButton,
+    MediaTextTrackList,
     MediaUnMuteButton,
     MediaPauseButton,
     MediaTimelineContainer,
     MediaCurrentTimeDisplay,
     MediaTimeRemainingDisplay,
+    MediaTrackSelectionCheckmark,
     MediaControlsPanel,
     MediaVolumeSliderContainer,
     MediaVolumeSlider,
@@ -81,6 +83,8 @@ public:
     void setIsWanted(bool);
     bool isWanted();
 
+    bool isHidden();

[philipj_slow, 2016/03/01 13:01:16]

Cannot isWanted be used instead? Both m_isWanted and m_doesFit are initially
true, so as long as you never call setDoesFit, it should be equivalent.

[srivats, 2016/03/30 00:46:43]

Done.

+
     // Tell us whether we fit or not.  This will hide / show the control as
     // needed, also.
     void setDoesFit(bool);