[WIP] Re-implement MediaControls in Blink-in-JS

Source/core/html/shadow/MediaControlElements.cpp

Index: Source/core/html/shadow/MediaControlElements.cpp
diff --git a/Source/core/html/shadow/MediaControlElements.cpp b/Source/core/html/shadow/MediaControlElements.cpp
index 170b04b70f88b11f5c73c640e6d03362ecf3708f..861aecf90c7c4ca564be2386cda2c381766424f3 100644
--- a/Source/core/html/shadow/MediaControlElements.cpp
+++ b/Source/core/html/shadow/MediaControlElements.cpp
@@ -600,7 +600,7 @@ const AtomicString& MediaControlCurrentTimeDisplayElement::shadowPseudoId() cons
 
 MediaControlTextTrackContainerElement::MediaControlTextTrackContainerElement(MediaControls& mediaControls)
     : MediaControlDivElement(mediaControls, MediaTextTrackDisplayContainer)
-    , m_fontSize(0)
+      //, m_fontSize(0)
 {
 }
 
@@ -629,7 +629,7 @@ const AtomicString& MediaControlTextTrackContainerElement::shadowPseudoId() cons
 
 void MediaControlTextTrackContainerElement::updateDisplay()
 {
-    if (!mediaElement().closedCaptionsVisible()) {
+    /*if (!mediaElement().closedCaptionsVisible()) {
         removeChildren();
         return;
     }
@@ -691,12 +691,12 @@ void MediaControlTextTrackContainerElement::updateDisplay()
     if (hasChildren())
         show();
     else
-        hide();
+    hide();*/
 }
 
 void MediaControlTextTrackContainerElement::updateSizes()
 {
-    if (!document().isActive())
+    /*if (!document().isActive())
         return;
 
     IntRect videoBox;
@@ -715,7 +715,7 @@ void MediaControlTextTrackContainerElement::updateSizes()
     if (fontSize != m_fontSize) {
         m_fontSize = fontSize;
         setInlineStyleProperty(CSSPropertyFontSize, fontSize, CSSPrimitiveValue::CSS_PX);
-    }
+        }*/
 }
 
 // ----------------------------