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

third_party/WebKit/Source/core/dom/Node.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 267 matching lines @@
   }
   void setV0CustomElementState(V0CustomElementState newState);
 
   virtual bool isMediaControlElement() const { return false; }
   virtual bool isMediaControls() const { return false; }
   virtual bool isTextTrackContainer() const { return false; }
   virtual bool isVTTElement() const { return false; }
   virtual bool isAttributeNode() const { return false; }
   virtual bool isCharacterDataNode() const { return false; }
   virtual bool isFrameOwnerElement() const { return false; }
+  virtual bool isMediaRemotingInterstitial() const { return false; }
 
   bool isStyledElement() const;
 
   bool isDocumentNode() const;
   bool isTreeScope() const;
   bool isDocumentFragment() const { return getFlag(IsDocumentFragmentFlag); }
   bool isShadowRoot() const { return isDocumentFragment() && isTreeScope(); }
   bool isInsertionPoint() const { return getFlag(IsInsertionPointFlag); }
 
   bool canParticipateInFlatTree() const;
@@ skipping 694 matching lines @@
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const blink::Node*);
 void showTree(const blink::Node*);
 void showNodePath(const blink::Node*);
 #endif
 
 #endif  // Node_h