Refresh ChromeVox options page CSS

chrome/browser/resources/chromeos/chromevox/BUILD.gn

Index: chrome/browser/resources/chromeos/chromevox/BUILD.gn
diff --git a/chrome/browser/resources/chromeos/chromevox/BUILD.gn b/chrome/browser/resources/chromeos/chromevox/BUILD.gn
index 783fcfd4248fdf6609960bf1df45e000114adc5d..9ec6cfc069560e248dc21b860af8ce2d0b182537 100644
--- a/chrome/browser/resources/chromeos/chromevox/BUILD.gn
+++ b/chrome/browser/resources/chromeos/chromevox/BUILD.gn
@@ -266,6 +266,7 @@ run_jsbundler("chromevox_copied_files") {
   dest_dir = chromevox_out_dir
   sources = [
     "chromevox/background/background.html",
+    "chromevox/background/checked.png",
     "chromevox/background/earcons/alert_modal.ogg",
     "chromevox/background/earcons/alert_nonmodal.ogg",
     "chromevox/background/earcons/button.ogg",
@@ -326,7 +327,9 @@ run_jsbundler("chromevox_copied_files") {
     "chromevox/background/mathmaps/symbols/math_symbols.json",
     "chromevox/background/mathmaps/symbols/math_whitespace.json",
     "chromevox/background/mathmaps/symbols/other_stars.json",
+    "chromevox/background/options.css",
     "chromevox/background/options.html",
+    "chromevox/background/unchecked.png",
     "chromevox/injected/api.js",
     "cvox2/background/background.html",
     "cvox2/background/earcons/control.wav",