To secure your internet browsing and automatically delete history, you can install “Click & Clean” extension from Chrome Web Store by going to this link;
Click “Add to Chrome”;
Click “Add extension” to continue;
Click “Options” button;
Scroll down until your reach “Extra” where you can click the check-box marked as “Delete private data when Chrome closes”. Close the options by clicking the “x” on top right hand of the click&clean dialog box.