commit 9ca47a2550de7bd139d340ef34aab5925bc64bad
author Gayane Petrosyan <gayane@chromium.org> Tue May 14 22:31:58 2019
committer Commit Bot <commit-bot@chromium.org> Tue May 14 22:31:58 2019
tree 3b76eb89f536bde8e72f9fe0e1c9bb26033af16d
parent 58d0fc5b2cc4b1b14d2a93057f97d19c680e5a75

[NTP] Theme shortcut icon background color.

For themes with no image but with NTP background color, calculate
shortcut icon background color. Request shortcut icons without
background color and use the calculated color to draw circle around
the icon using CSS.

Lighter theme - https://screenshot.googleplex.com/8oVBiMDBB0K.png
same in dark mode - https://screenshot.googleplex.com/b5LtUCDNFKt.png
same with custom_background - https://screenshot.googleplex.com/LO6qicfXF4A.png
dark theme - https://screenshot.googleplex.com/Nz3rbG5dJpU.png
just black - https://screenshot.googleplex.com/ZB66nvsbZHm.png
classic blue - https://screenshot.googleplex.com/LiwaCodQ7dA.png

There is no change for themes with images or custom backgrounds.

Bug: 959394
Change-Id: Id87111fe1b93f722a944114cf53f44667c8867e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1601632
Commit-Queue: Gayane Petrosyan <gayane@chromium.org>
Reviewed-by: Kristi Park <kristipark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659697}