arc: Fix link to privacy in OptIn UI.

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 c0b67162c9878677d716b7defefab1fdd0246e20..d47a9ac7aabcbaf2b28bbb9b341da0386b226592 100644
--- a/chrome/browser/resources/chromeos/arc_support/background.js
+++ b/chrome/browser/resources/chromeos/arc_support/background.js
@@ -568,7 +568,8 @@ function showURLOverlay(url) {
  * the content of terms view.
  */
 function showPrivacyPolicyOverlay() {
-  termsView.executeScript({code: 'getPrivacyPolicyLink();'}, function(results) {
+  var details = {code: 'getPrivacyPolicyLink();'};
+  termsPage.termsView_.executeScript(details, function(results) {
     if (results && results.length == 1 && typeof results[0] == 'string') {
       showURLOverlay(results[0]);
     } else {