Fix tab hover card layout.

Hover card dimensions and spacing are now to spec.
Since we're still using placeholder favicon images, we're keeping them
(nearly) square and aligning them left; the final og:image and/or
screenshot will intsead fill the available space and be cropped or have
letterbox appropriately.

Correct behavior for pages with over-long titles will have to wait for

Bug: 928954
Change-Id: Iff121f9924a3ba1572a788a9a1da70d619017474
Commit-Queue: Dana Fried <>
Reviewed-by: Peter Boström <>
Cr-Commit-Position: refs/heads/master@{#631504}
1 file changed