Testrail link: https://testrail.stage.mozaws.net/index.php?/cases/view/76212 Preconditions: Have a new clean Firefox profile. Have some bookmarks and recent browsing in Google Chrome. Steps: 1. Import Bookmarks and all the data from Chrome browser 2. Open a new tab. 3. Observe the Activity Stream Top Sites. 4. Observe how the Top Site tiles are displayed. 5. Click on each tile from Top Sites area and observe the browser behavior. 6. Observe the Highlights section of the page. Expected results: Step 1: All data is successfully imported. Step 3: The most accessed websites imported from Chrome are now displayed in top sites. Step 4:Each tile contains: - website screenshot - tile background color is related to the website - the tiles have a gray line as a border, when is hovered - the title is displayed under Top Sites tiles Step 5: Each page related with the clicked tile is correctly opened in same tab Step 6: Bookmarked sites are displayed as Highlights.