Google Chrome has an option that will reset itself to its default settings. Resetting Google Chrome to its default will:
"This will reset your startup page, new tab page, search engine, and pinned tabs. It will also disable all extensions and clear temporary data like cookies. Your bookmarks, history and saved passwords will not be cleared."
Below are the Steps to Reset Chrome Settings to Default
1. To find this option, click the menu button (three horizontal lines) in the upper-right corner of the browser window and select “Settings”.
2. Start typing “reset settings” in the search box. Settings matching the search term start displaying. Click the Perform a search for “reset browser” and you’ll see the Reset browser settings button.
3. The Reset settings dialog box displays, telling you what resetting your settings will do. Click “Reset” if you’re sure you want to reset your Chrome settings.
NOTE: You could also just plug chrome://settings/resetProfileSettings into Chrome’s address bar to pull up the Reset Settings dialog box.