[Lacros] Configure text selection color to what's expected on Chrome OS.

Bug: 1141261
Change-Id: I9161da382aa7e2ca9eb630c5b79a065862fccbc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593815Reviewed-by: Erik Chen <erikchen@chromium.org>
Commit-Queue: Darin Fisher <darin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837720}

chrome/browser/renderer_preferences_util.cc

@@ -135,7 +135,7 @@ void UpdateFromSystemSettings(blink::RendererPreferences* prefs,
       pref_service->GetBoolean(prefs::kWebRTCAllowLegacyTLSProtocols);
 #if defined(USE_AURA)
   prefs->focus_ring_color = SkColorSetRGB(0x4D, 0x90, 0xFE);
-#if BUILDFLAG(IS_CHROMEOS_ASH)
+#if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_CHROMEOS_LACROS)
   // This color is 0x544d90fe modulated with 0xffffff.
   prefs->active_selection_bg_color = SkColorSetRGB(0xCB, 0xE4, 0xFA);
   prefs->active_selection_fg_color = SK_ColorBLACK;