ue4 webbrowser plugin with cef3 version chromium-84.0.4147.38
need check disable WebBrowser,SteamVR,OnlineFramework plugin
cannot modify the directory name of the ChromiumUI plugin
cd Source\ThirdParty\ChromiumUILibrary
unzip ChromiumUILibrary.7z in this folder
copy plugin to project use
1.bind bridge object
2.define the blueprint function (note that the function is lowercase in js)
3.call ue4 function