[Devtools] Show both AA and AAA contrast ratio lines in the color picker
[Devtools] Show both AA and AAA contrast ratio lines in the color picker

Bug: 879856
Change-Id: Ia0e3da7202f58504d4f6320ea7e817ce24c61269
Reviewed-on: https://chromium-review.googlesource.com/c/1370233
Commit-Queue: Alice Boxhall <c1bed8e3d5a88e6d2294d23be052e016159aceda@chromium.org>
Reviewed-by: Alice Boxhall <c1bed8e3d5a88e6d2294d23be052e016159aceda@chromium.org>
Reviewed-by: Dmitry Gozman <0ca14b32cbb359a30ac562af27dd84cc2813eacb@chromium.org>
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#616110}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 06c91da2e7454048cbe91e46685e9965b201d928
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