chromium/content/app/ios/appex/app.entitlements

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>com.apple.developer.web-browser</key>
        <true/>
        <key>com.apple.developer.web-browser-engine.host</key>
        <true/>
</dict>
</plist>