Reland: arc: avoid checkbox AutomationNode issue

chrome/browser/resources/chromeos/arc_support/main.css

Index: chrome/browser/resources/chromeos/arc_support/main.css
diff --git a/chrome/browser/resources/chromeos/arc_support/main.css b/chrome/browser/resources/chromeos/arc_support/main.css
index b892eff6ea870f232444c5c5a014aa3bc4ceef2a..22d02818699f8161bc1758aec1122f8fe417643d 100644
--- a/chrome/browser/resources/chromeos/arc_support/main.css
+++ b/chrome/browser/resources/chromeos/arc_support/main.css
@@ -48,11 +48,6 @@ webview,
   width: 1px;
 }
 
-.checkbox-container {
-  margin: 0;
-  padding: 0 8px 0 0;
-}
-
 .checkbox-option {
   height: 12px;
   margin: 0;
@@ -123,6 +118,11 @@ webview,
   width: 640px;
 }
 
+.section-checkbox-container > input[type='checkbox'] {
+  flex-shrink: 0;
+  margin: 0 8px 0 0;
+}
+
 .section-terms {
   border: 1px solid #e6e6e6;
   color: rgba(0, 0, 0, 0.54);