The `--disable-renderer-backgrounding` command line switch only disables throttling for timers, there is currently no way to disable throttling of `requestAnimationFrame`.

Refs https://github.com/atom/electron/issues/4317#issuecomment-190990964.

atom/browser/api/atom_api_web_contents.h
return ++request_id_;
  }
  
  void OnCursorChange(const content::WebCursor& cursor);
  
  void OnRendererMessage(const base::string16& channel,
                         const base::ListValue& args);
  
  void OnRendererMessageSync(const base::string16& channel,
                             const base::ListValue& args,
                             IPC::Message* message);
  v8::Global<v8::Value> session_;
  v8::Global<v8::Value> devtools_web_contents_;
  v8::Global<v8::Value> debugger_;
  scoped_ptr<WebViewGuestDelegate> guest_delegate_;
  
  WebContents* embedder_;
  
  Type type_;
  
  uint32_t request_id_;
  DISALLOW_COPY_AND_ASSIGN(WebContents);
};
}  
}  
#endif