Chrome Version: 71.0.3578.46/11151.25.0 Beta-channel Daisy
OS: Chrome

What steps will reproduce the problem?
(1)Sign into User -> download any sample pdf -> saved in Files App
(2)Now go to Files App -> observe downloaded PDF preview in List view i.e. 'PDF' is seen  -> now at top side click on 'Switch to thumbnail view' 
(3)In thumbnail view observe unknown icon is seen as Preview for PDF
(Please refer Video)


Expected: In thumbnail view 'PDF' Preview should be seen for PDF
Actual: Instead In thumbnail view unknown icon is seen as Preview for PDF

This is Non-Regression Issue seen from M-62
 

 

Deleted: Actual_PDFPreview.mp4 19.4 MB

Actual_PDFPreview.mp4 19.4 MB Download