GitLab

Remove custom link pills for themes without image and use NTP_TEXT
theme property for custom link titles color.

As pills will be used only with themes that have images, which in
dark mode didn't change to dark, then this change eliminates the need
for dark pill for custom link titles.

Default:
https://screenshot.googleplex.com/iNq8NShsd9a.png

Defaul, dark mode:
https://screenshot.googleplex.com/ebiCRAxdqth.png

GTK:
https://screenshot.googleplex.com/LqMk30Zf91r.png

theme, no image:
https://screenshot.googleplex.com/NA8jugTz7xy.png

theme, no image, dark mode:
https://screenshot.googleplex.com/qFyj5R6Y40S.png

theme with image
https://screenshot.googleplex.com/7fHXFUjGF6q.png

theme with image, dark mode:
https://screenshot.googleplex.com/fHVRb9yAzcj.png

theme and custom background:
https://screenshot.googleplex.com/uahXOYpPdzx.png

theme and custom background, dark mode:
https://screenshot.googleplex.com/J5w8UaV3sTJ.png

Bug: 959377
Change-Id: I4b5e10c4392f57cdb9b1471c3ea49802cfc902ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1597639
Commit-Queue: Gayane Petrosyan <gayane@chromium.org>
Reviewed-by: Kristi Park <kristipark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659156}