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

third_party/WebKit/Source/core/paint/MediaControlsPainter.cpp

 /*
  * Copyright (C) 2009 Apple Inc.
  * Copyright (C) 2009 Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 163 matching lines @@
     const LayoutObject& object,
     const PaintInfo& paint_info,
     const IntRect& rect) {
   const HTMLMediaElement* media_element = ToParentMediaElement(object);
   if (!media_element)
     return false;
 
   if (!HasSource(media_element) || !media_element->paused())
     return false;
 
-  MediaControlPanelElement* panel_element = nullptr;
+  // TODO(mlamouri): it might be possible to use the PanelLayoutObject() call
+  // instead.
+  HTMLDivElement* panel_element = nullptr;
   if (media_element->GetMediaControls())
     panel_element = media_element->GetMediaControls()->PanelElement();
 
   static Image* media_overlay_play = PlatformResource("mediaplayerOverlayPlay");
 
   IntRect button_rect(rect);
 
   // Overlay play button covers the entire player, so center and draw a
   // smaller button.  Center in the entire element.
   // TODO(liberato): object.enclosingBox()?
@@ skipping 415 matching lines @@
 void MediaControlsPainter::AdjustMediaSliderThumbSize(ComputedStyle& style) {
   const float zoom_level = style.EffectiveZoom();
 
   style.SetWidth(Length(
       static_cast<int>(kMediaSliderThumbTouchWidth * zoom_level), kFixed));
   style.SetHeight(Length(
       static_cast<int>(kMediaSliderThumbTouchHeight * zoom_level), kFixed));
 }
 
 }  // namespace blink