CODE EXAMPLE FOR JAVASCRIPT

webkit-media-controls-timeline apply by jquery

$(`<style>
    video::-webkit-media-controls-panel,
    video::-webkit-media-controls-timeline{display: none;} 
    video::-webkit-media-controls-panel{background-image:none !important}    
   </style>`).appendTo('head');

// Js Fiddle Link
https://jsfiddle.net/x04z2cqk/2/