You can use Chromium extension called Speed Dials instead.
Speed Dial replaces the Chrome\Chromium's new tab page with your predefined visual bookmarks.
To add a web page, just click on the Speed Dial toolbar button and select "Add this page". from this menu you can also open the Speed dial page to access your visual bookmarks.
When you're on the Speed Dial page, you can use drag-n-drop to change the thumbnail position.
Speed Dial let you customize the page look and feel by a predefined themes. You can also set a background image.

Note: It doesn't show the apps section.So whenever you need to access them , you need to disable it.
If you don't like Speed dials; there are some steps you can do to keep the websites that you want:
- Clear Browsing History (Tools--->Clear browsing History).
- Go to a specific website you want to keep.
- The website will appear now on the "most visited" section, click on the pin as in this picture:

4.Repeat from step 2 for every website.