Make the video layer visibility configurable in OverlayFullscreenVideo mode

third_party/WebKit/Source/core/html/HTMLVideoElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 231 matching lines @@
     return Fullscreen::fullscreenEnabled(document());
 }
 
 bool HTMLVideoElement::webkitDisplayingFullscreen()
 {
     return isFullscreen();
 }
 
 bool HTMLVideoElement::usesOverlayFullscreenVideo() const
 {
+    return overlayFullscreenVideoMode() != WebMediaPlayer::OverlayFullscreenVideoMode::Disabled;
+}
+
+WebMediaPlayer::OverlayFullscreenVideoMode HTMLVideoElement::overlayFullscreenVideoMode() const
+{
     if (RuntimeEnabledFeatures::forceOverlayFullscreenVideoEnabled())
-        return true;
+        return WebMediaPlayer::OverlayFullscreenVideoMode::VideoLayerInvisible;
 
-    return webMediaPlayer() && webMediaPlayer()->supportsOverlayFullscreenVideo();
+    return webMediaPlayer() ? webMediaPlayer()->getOverlayFullscreenVideoMode() : WebMediaPlayer::OverlayFullscreenVideoMode::Disabled;
 }
 
 void HTMLVideoElement::didMoveToNewDocument(Document& oldDocument)
 {
     if (m_imageLoader)
         m_imageLoader->elementDidMoveToNewDocument();
     HTMLMediaElement::didMoveToNewDocument(oldDocument);
 }
 
 unsigned HTMLVideoElement::webkitDecodedFrameCount() const
@@ skipping 73 matching lines @@
         return ScriptPromise();
     }
     if (!sw || !sh) {
         exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
         return ScriptPromise();
     }
     return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, IntRect(sx, sy, sw, sh), eventTarget.toLocalDOMWindow()->document(), options));
 }
 
 } // namespace blink