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

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

Index: third_party/WebKit/Source/core/html/HTMLVideoElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLVideoElement.h b/third_party/WebKit/Source/core/html/HTMLVideoElement.h
index 385cc3a62fc01554d991c0381d50fc32f3ae21d9..c1059913343190f033377972c3aea76760029b13 100644
--- a/third_party/WebKit/Source/core/html/HTMLVideoElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLVideoElement.h
@@ -43,6 +43,7 @@ namespace blink {
 class ExceptionState;
 class ImageBitmapOptions;
 class MediaCustomControlsFullscreenDetector;
+class MediaRemotingInterstitial;
 
 class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
                                            public CanvasImageSource,
@@ -53,6 +54,8 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
   static HTMLVideoElement* create(Document&);
   DECLARE_VIRTUAL_TRACE();
 
+  enum MediaRemotingStatus { NotStarted, Started, Disabled };
+
   // Node override.
   Node::InsertionNotificationRequest insertedInto(ContainerNode*) override;
   void removedFrom(ContainerNode*) override;
@@ -130,6 +133,11 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
 
   bool isPersistent() const;
 
+  MediaRemotingStatus mediaRemotingStatus() const {
+    return m_mediaRemotingStatus;
+  }
+  void disableMediaRemoting();
+
  private:
   friend class MediaCustomControlsFullscreenDetectorTest;
   friend class HTMLMediaElementEventListenersTest;
@@ -155,9 +163,15 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
   void didMoveToNewDocument(Document& oldDocument) override;
   void setDisplayMode(DisplayMode) override;
 
+  void mediaRemotingStarted() final;
+  void mediaRemotingStopped() final;
+
+  MediaRemotingStatus m_mediaRemotingStatus;
+
   Member<HTMLImageLoader> m_imageLoader;
   Member<MediaCustomControlsFullscreenDetector>
       m_customControlsFullscreenDetector;
+  Member<MediaRemotingInterstitial> m_remotingInterstitial;
 
   AtomicString m_defaultPosterURL;