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..6016c155b36615ef23bab7d0240bbd4fa934f9d1 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,
@@ -130,6 +131,11 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
 
   bool isPersistent() const;
 
+  bool isMediaRemotingStarted() const override {
+    return m_mediaRemotingStarted;
+  }
+  void disableMediaRemoting();
+
  private:
   friend class MediaCustomControlsFullscreenDetectorTest;
   friend class HTMLMediaElementEventListenersTest;
@@ -155,9 +161,20 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
   void didMoveToNewDocument(Document& oldDocument) override;
   void setDisplayMode(DisplayMode) override;
 
+  void mediaRemotingStarted() final;
+  void mediaRemotingStopped() final;
+
+  bool isMediaRemotingDisabled() const override {
+    return m_mediaRemotingDisabled;
+  }
+
+  bool m_mediaRemotingDisabled : 1;
+  bool m_mediaRemotingStarted : 1;

[mlamouri (slow - plz ping), 2017/04/07 13:18:33]

Could a `m_mediaRemotingStatus` be used with Disabled, NotStarted, Started as
the three possible values? You could also expose the media remoting status with
these three values instead of the two different methods.

[xjz, 2017/04/07 23:07:01]

Good suggestion. Done. Thanks! :)

+
   Member<HTMLImageLoader> m_imageLoader;
   Member<MediaCustomControlsFullscreenDetector>
       m_customControlsFullscreenDetector;
+  Member<MediaRemotingInterstitial> m_remotingInterstitial;
 
   AtomicString m_defaultPosterURL;