title: enable Chrome flags from the command line
body: <p>I want to enable a flag (enable-token-binding) while launching chrome. 
  I can do that using chrome://flags page. but for running tests I need to do it from command line. </p>
  
  <p>I tried </p>
  
  <p>chrome --enable-features=token-binding</p>
  
  <p>chrome --enable-token-binding</p>
  
  <p>None of them worked. </p>