should be reenabled. cc @felixrieseberg
atom/browser/api/atom_api_web_contents.h
void AttachToIframe(content::WebContents* embedder_web_contents,
                      int embedder_frame_id);
  
  bool IsOffScreen() const;
  void OnPaint(const gfx::Rect& dirty_rect, const SkBitmap& bitmap);
  void StartPainting();
  void StopPainting();
  bool IsPainting() const;
  void SetFrameRate(int frame_rate);
  int GetFrameRate() const;
  void Invalidate();
  gfx::Size GetSizeForNewRenderView(content::WebContents*) const override;
  
  void SetZoomLevel(double level);
  double GetZoomLevel() const;
  void SetZoomFactor(double factor);
  double GetZoomFactor() const;
  
  void OnEnterFullscreenModeForTab(content::WebContents* source,
                                   const GURL& origin,
                                   bool allowed);
  
  void OnCreateWindow(const GURL& target_url,
                      const content::Referrer& referrer,
                      const std::string& frame_name,
                      WindowOpenDisposition disposition,
                      const std::vector<std::string>& features,
                      const scoped_refptr<network::ResourceRequestBody>& body);
  
  v8::Local<v8::Value> GetPreloadPath(v8::Isolate* isolate) const;