dom-ui settings: properly implement the 'metrics reporting' checkbox....

chrome/browser/resources/options/alert_overlay.js

Index: chrome/browser/resources/options/alert_overlay.js
===================================================================
--- chrome/browser/resources/options/alert_overlay.js	(revision 60664)
+++ chrome/browser/resources/options/alert_overlay.js	(working copy)
@@ -94,10 +94,15 @@
     }
     $('alertOverlayOk').textContent =
         (okTitle != undefined ? okTitle
-                              : LocalStrings.getString('ok'));
-    $('alertOverlayCancel').textContent =
-        (cancelTitle != undefined ? cancelTitle
-                                  : LocalStrings.getString('cancel'));
+                              : localStrings.getString('ok'));
+    if (cancelTitle != '') {
+      $('alertOverlayCancel').textContent =
+          (cancelTitle != undefined ? cancelTitle
+                                    : localStrings.getString('cancel'));
+      $('alertOverlayCancel').style.display = 'inline';
+    } else {
+      $('alertOverlayCancel').style.display = 'none';
+    }
 
     AlertOverlay.getInstance().okCallback = okCallback;
     AlertOverlay.getInstance().cancelCallback = cancelCallback;