diff --git a/chrome/browser/renderer_preferences_util.cc b/chrome/browser/renderer_preferences_util.cc
index ed40422a..399f3b9 100644
--- a/chrome/browser/renderer_preferences_util.cc
+++ b/chrome/browser/renderer_preferences_util.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
+#include "build/chromeos_buildflags.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ -34,7 +35,7 @@
 #include "ui/base/cocoa/defaults_utils.h"
 #endif
 
-#if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(USE_AURA) && (defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS))
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "ui/views/linux_ui/linux_ui.h"
@@ -134,7 +135,7 @@
       pref_service->GetBoolean(prefs::kWebRTCAllowLegacyTLSProtocols);
 #if defined(USE_AURA)
   prefs->focus_ring_color = SkColorSetRGB(0x4D, 0x90, 0xFE);
-#if defined(OS_CHROMEOS)
+#if BUILDFLAG(IS_CHROMEOS_ASH)
   // This color is 0x544d90fe modulated with 0xffffff.
   prefs->active_selection_bg_color = SkColorSetRGB(0xCB, 0xE4, 0xFA);
   prefs->active_selection_fg_color = SK_ColorBLACK;
@@ -153,7 +154,7 @@
     prefs->caret_blink_interval = interval;
 #endif
 
-#if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(USE_AURA) && (defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS))
   views::LinuxUI* linux_ui = views::LinuxUI::instance();
   if (linux_ui) {
     if (ThemeServiceFactory::GetForProfile(profile)->UsingSystemTheme()) {