Sets the Chrome color scheme for all browsers that share this request
context. |variant| values of SYSTEM, LIGHT and DARK change the underlying
color mode (e.g. light vs dark). Other |variant| values determine how
|user_color| will be applied in the current color mode. If |user_color| is
transparent (0) the default color will be used.
Sets the Chrome color scheme for all browsers that share this request context. |variant| values of SYSTEM, LIGHT and DARK change the underlying color mode (e.g. light vs dark). Other |variant| values determine how |user_color| will be applied in the current color mode. If |user_color| is transparent (0) the default color will be used.