Take out the arrow and make the new tab promo aligned to the top part of the browser.

Bug: 734132
Change-Id: Ib79b45b5141c3b7706238558a1beb4e4bbd11430
Reviewed-on: https://chromium-review.googlesource.com/656658
Commit-Queue: Bettina Dea <bdea@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501815}
2 files changed