GitLab

This CL removes the misnomer search_box_color_. It's  setter and getter
functions are never used. its only use is in search_box_view_base.cc
where it is used to set the placeholder text color.

Bug: 1139873
Change-Id: I2e05ae8c077dc2370aa28d5de518acbb69808f08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2488600Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Reviewed-by: Yulun Wu <yulunwu@chromium.org>
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819104}