Media Remoting: Add interstitial elements to media element shadow dom.

third_party/WebKit/Source/core/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 500 matching lines @@
   m_panel->makeOpaque();
 }
 
 void MediaControls::makeTransparent() {
   m_panel->makeTransparent();
 }
 
 bool MediaControls::shouldHideMediaControls(unsigned behaviorFlags) const {
   // Never hide for a media element without visual representation.
   if (!mediaElement().isHTMLVideoElement() || !mediaElement().hasVideo() ||
-      mediaElement().isPlayingRemotely()) {
+      mediaElement().isPlayingRemotely() ||
+      toHTMLVideoElement(mediaElement()).mediaRemotingStatus() ==
+          HTMLVideoElement::MediaRemotingStatus::Started) {
     return false;
   }
 
   // Keep the controls visible as long as the timer is running.
   const bool ignoreWaitForTimer = behaviorFlags & IgnoreWaitForTimer;
   if (!ignoreWaitForTimer && m_keepShowingUntilTimerFires)
     return false;
 
   // Don't hide if the mouse is over the controls.
   const bool ignoreControlsHover = behaviorFlags & IgnoreControlsHover;
@@ skipping 569 matching lines @@
   visitor->trace(m_overflowList);
   visitor->trace(m_castButton);
   visitor->trace(m_overlayCastButton);
   visitor->trace(m_mediaEventListener);
   visitor->trace(m_windowEventListener);
   visitor->trace(m_orientationLockDelegate);
   HTMLDivElement::trace(visitor);
 }
 
 }  // namespace blink