Ideas for text track container follow-up

Source/core/html/track/TextTrackContainer.h

Index: Source/core/html/track/TextTrackContainer.h
diff --git a/Source/core/html/track/TextTrackContainer.h b/Source/core/html/track/TextTrackContainer.h
index 1ed4ac9e0eb1b44945bdcd891600b40df1b434c4..a641fce561b7e440446648bf83bd2c4af211b395 100644
--- a/Source/core/html/track/TextTrackContainer.h
+++ b/Source/core/html/track/TextTrackContainer.h
@@ -34,14 +34,14 @@
 
 namespace blink {
 
-class HTMLMediaElement;
+class HTMLVideoElement;
 
 class TextTrackContainer final : public HTMLDivElement {
 public:
     static PassRefPtrWillBeRawPtr<TextTrackContainer> create(Document&);
 
-    void updateDisplay(HTMLMediaElement&);
-    void updateSizes(HTMLMediaElement&);
+    void updateDisplay(HTMLVideoElement&);
+    void updateSizes(const LayoutSize&);
 
 private:
     TextTrackContainer(Document&);
@@ -50,7 +50,7 @@ private:
 
     virtual LayoutObject* createRenderer(const LayoutStyle&) override;
 
-    IntSize m_videoSize;
+    LayoutSize m_videoSize;
     float m_fontSize;
 };