Support text track selection in video controls

Source/core/html/shadow/MediaControlElements.h

Index: Source/core/html/shadow/MediaControlElements.h
diff --git a/Source/core/html/shadow/MediaControlElements.h b/Source/core/html/shadow/MediaControlElements.h
index 5f72cd0edd2f38c690290c07e01546869d60e726..b66e8b17e87c171915d5ec4661a351278200a134 100644
--- a/Source/core/html/shadow/MediaControlElements.h
+++ b/Source/core/html/shadow/MediaControlElements.h
@@ -31,6 +31,7 @@
 #define MediaControlElements_h
 
 #include "core/html/shadow/MediaControlElementTypes.h"
+#include "core/html/track/TextTrack.h"

[fs, 2015/04/14 12:34:57]

Could be a forward declaration.

[srivats, 2015/04/16 23:37:20]

Done.

 
 namespace blink {
 
@@ -146,6 +147,36 @@ private:
 
 // ----------------------------
 
+class MediaControlClosedCaptionsTrackListContainerElement final : public MediaControlDivElement {

[fs, 2015/04/14 12:34:57]

This type does not add anything AFAICS, so why do we need it?

[srivats, 2015/04/16 23:37:20]

It's the container that holds the track list. I'll see if it's possible to do
away with it.

+public:
+    static PassRefPtrWillBeRawPtr<MediaControlClosedCaptionsTrackListContainerElement> create(MediaControls&);
+
+private:
+    explicit MediaControlClosedCaptionsTrackListContainerElement(MediaControls&);
+};
+
+// ----------------------------
+
+class MediaControlClosedCaptionsTrackListElement final : public MediaControlDivElement {
+public:
+    static PassRefPtrWillBeRawPtr<MediaControlClosedCaptionsTrackListElement> create(MediaControls&);
+
+    virtual bool willRespondToMouseClickEvents() override { return true; }
+
+    void refreshTextTrackListMenu();
+
+private:
+    explicit MediaControlClosedCaptionsTrackListElement(MediaControls&);
+
+    virtual void defaultEventHandler(Event*) override;
+
+    String getTextTrackLabel(TextTrack*);
+
+    RefPtrWillBeRawPtr<Element> createTextTrackListItem(const String&, int, bool);
+};
+
+// ----------------------------
+
 class MediaControlTimelineElement final : public MediaControlInputElement {
 public:
     static PassRefPtrWillBeRawPtr<MediaControlTimelineElement> create(MediaControls&);