Media Controls: move all MediaControlDivElement sub-classes to modules/.

third_party/WebKit/Source/modules/media_controls/elements/MediaControlTextTrackListElement.h

Index: third_party/WebKit/Source/modules/media_controls/elements/MediaControlTextTrackListElement.h
diff --git a/third_party/WebKit/Source/modules/media_controls/elements/MediaControlTextTrackListElement.h b/third_party/WebKit/Source/modules/media_controls/elements/MediaControlTextTrackListElement.h
new file mode 100644
index 0000000000000000000000000000000000000000..4d56453933cd14dc43f431172bde718a6ac4e74a
--- /dev/null
+++ b/third_party/WebKit/Source/modules/media_controls/elements/MediaControlTextTrackListElement.h
@@ -0,0 +1,42 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MediaControlTextTrackListElement_h
+#define MediaControlTextTrackListElement_h
+
+#include "core/html/shadow/MediaControlElementTypes.h"
+
+namespace blink {
+
+class Event;
+class MediaControlsImpl;
+class TextTrack;
+
+class MediaControlTextTrackListElement final : public MediaControlDivElement {
+ public:
+  explicit MediaControlTextTrackListElement(MediaControlsImpl&);
+
+  // Node interface.
+  bool WillRespondToMouseClickEvents() override;
+
+  // Toggle visibility of the list.
+  void SetVisible(bool);
+
+ private:
+  void DefaultEventHandler(Event*) override;
+
+  void RefreshTextTrackListMenu();
+
+  // Returns the label for the track when a valid track is passed in and "Off"
+  // when the parameter is null.
+  String GetTextTrackLabel(TextTrack*);
+
+  // Creates the track element in the list when a valid track is passed in and
+  // the "Off" item when the parameter is null.
+  Element* CreateTextTrackListItem(TextTrack*);
+};
+
+}  // namespace blink
+
+#endif  // MediaControlTextTrackListElement_h