Fix unexpected metrics preference resetting.

chrome/browser/resources/chromeos/arc_support/background.js

Index: chrome/browser/resources/chromeos/arc_support/background.js
diff --git a/chrome/browser/resources/chromeos/arc_support/background.js b/chrome/browser/resources/chromeos/arc_support/background.js
index a4a54dd4f0986f15adda654ec98fdd8a54ca3a9e..548f234367b34e7ee33d62af4dab7116b0102d26 100644
--- a/chrome/browser/resources/chromeos/arc_support/background.js
+++ b/chrome/browser/resources/chromeos/arc_support/background.js
@@ -575,7 +575,7 @@ chrome.app.runtime.onLaunched.addListener(function() {
       var enableBackupRestore = doc.getElementById('enable-backup-restore');
       var enableLocationService = doc.getElementById('enable-location-service');
       sendNativeMessage('onAgreed', {
-        isMetricsEnabled: !enableMetrics.hidden && enableMetrics.checked,
+        isMetricsEnabled: enableMetrics.checked,
         isBackupRestoreEnabled: enableBackupRestore.checked,
         isLocationServiceEnabled: enableLocationService.checked
       });